638837892

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 324

約数和(自身を含む): 2144119068

約数和(自身を除く): 1505281176

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 41, 42, 44, 49, 63, 66, 73, 77, 82, 84, 98, 99, 121, 123, 126, 132, 146, 147, 154, 164, 196, 198, 219, 231, 242, 246, 252, 287, 292, 294, 308, 363, 369, 396, 438, 441, 451, 462, 484, 492, 511, 539, 574, 588, 657, 693, 726, 738, 803, 847, 861, 876, 882, 902, 924, 1022, 1078, 1089, 1148, 1314, 1353, 1386, 1452, 1476, 1533, 1606, 1617, 1694, 1722, 1764, 1804, 2009, 2044, 2156, 2178, 2409, 2541, 2583, 2628, 2706, 2772, 2993, 3066, 3157, 3212, 3234, 3388, 3444, 3577, 4018, 4059, 4356, 4599, 4818, 4851, 4961, 5082, 5166, 5412, 5621, 5929, 5986, 6027, 6132, 6314, 6468, 7154, 7227, 7623, 8036, 8118, 8833, 8979, 9198, 9471, 9636, 9702, 9922, 10164, 10332, 10731, 11242, 11858, 11972, 12054, 12628, 14308, 14454, 14883, 15246, 16236, 16863, 17666, 17787, 17958, 18081, 18396, 18942, 19404, 19844, 20951, 21462, 22099, 22484, 23716, 24108, 26499, 26937, 28413, 28908, 29766, 30492, 32193, 32923, 33726, 34727, 35332, 35574, 35916, 36162, 37884, 39347, 41902, 42924, 44198, 44649, 50589, 52998, 53361, 53874, 56826, 59532, 61831, 62853, 64386, 65846, 66297, 67452, 69454, 71148, 72324, 78694, 79497, 83804, 88396, 89298, 98769, 101178, 104181, 105996, 106722, 107748, 113652, 118041, 123662, 125706, 128772, 131692, 132594, 138908, 146657, 157388, 158994, 178596, 185493, 188559, 197538, 198891, 202356, 208362, 213444, 230461, 236082, 243089, 247324, 251412, 265188, 293314, 296307, 312543, 317988, 354123, 362153, 370986, 377118, 395076, 397782, 416724, 432817, 439971, 460922, 472164, 486178, 556479, 586628, 592614, 625086, 691383, 708246, 724306, 729267, 741972, 754236, 795564, 865634, 879942, 921844, 972356, 1086459, 1112958, 1185228, 1250172, 1298451, 1319913, 1382766, 1416492, 1448612, 1458534, 1613227, 1731268, 1759884, 2074149, 2172918, 2187801, 2225916, 2535071, 2596902, 2639826, 2765532, 2917068, 3226454, 3259377, 3895353, 4148298, 4345836, 4375602, 4839681, 5070142, 5193804, 5279652, 6452908, 6518754, 7605213, 7790706, 8296596, 8751204, 9679362, 10140284, 13037508, 14519043, 15210426, 15581412, 17745497, 19358724, 22815639, 29038086, 30420852, 35490994, 45631278, 53236491, 58076172, 70981988, 91262556, 106472982, 159709473, 212945964, 319418946, 638837892]

約数ペア:

[(1, 638837892), (2, 319418946), (3, 212945964), (4, 159709473), (6, 106472982), (7, 91262556), (9, 70981988), (11, 58076172), (12, 53236491), (14, 45631278), (18, 35490994), (21, 30420852), (22, 29038086), (28, 22815639), (33, 19358724), (36, 17745497), (41, 15581412), (42, 15210426), (44, 14519043), (49, 13037508), (63, 10140284), (66, 9679362), (73, 8751204), (77, 8296596), (82, 7790706), (84, 7605213), (98, 6518754), (99, 6452908), (121, 5279652), (123, 5193804), (126, 5070142), (132, 4839681), (146, 4375602), (147, 4345836), (154, 4148298), (164, 3895353), (196, 3259377), (198, 3226454), (219, 2917068), (231, 2765532), (242, 2639826), (246, 2596902), (252, 2535071), (287, 2225916), (292, 2187801), (294, 2172918), (308, 2074149), (363, 1759884), (369, 1731268), (396, 1613227), (438, 1458534), (441, 1448612), (451, 1416492), (462, 1382766), (484, 1319913), (492, 1298451), (511, 1250172), (539, 1185228), (574, 1112958), (588, 1086459), (657, 972356), (693, 921844), (726, 879942), (738, 865634), (803, 795564), (847, 754236), (861, 741972), (876, 729267), (882, 724306), (902, 708246), (924, 691383), (1022, 625086), (1078, 592614), (1089, 586628), (1148, 556479), (1314, 486178), (1353, 472164), (1386, 460922), (1452, 439971), (1476, 432817), (1533, 416724), (1606, 397782), (1617, 395076), (1694, 377118), (1722, 370986), (1764, 362153), (1804, 354123), (2009, 317988), (2044, 312543), (2156, 296307), (2178, 293314), (2409, 265188), (2541, 251412), (2583, 247324), (2628, 243089), (2706, 236082), (2772, 230461), (2993, 213444), (3066, 208362), (3157, 202356), (3212, 198891), (3234, 197538), (3388, 188559), (3444, 185493), (3577, 178596), (4018, 158994), (4059, 157388), (4356, 146657), (4599, 138908), (4818, 132594), (4851, 131692), (4961, 128772), (5082, 125706), (5166, 123662), (5412, 118041), (5621, 113652), (5929, 107748), (5986, 106722), (6027, 105996), (6132, 104181), (6314, 101178), (6468, 98769), (7154, 89298), (7227, 88396), (7623, 83804), (8036, 79497), (8118, 78694), (8833, 72324), (8979, 71148), (9198, 69454), (9471, 67452), (9636, 66297), (9702, 65846), (9922, 64386), (10164, 62853), (10332, 61831), (10731, 59532), (11242, 56826), (11858, 53874), (11972, 53361), (12054, 52998), (12628, 50589), (14308, 44649), (14454, 44198), (14883, 42924), (15246, 41902), (16236, 39347), (16863, 37884), (17666, 36162), (17787, 35916), (17958, 35574), (18081, 35332), (18396, 34727), (18942, 33726), (19404, 32923), (19844, 32193), (20951, 30492), (21462, 29766), (22099, 28908), (22484, 28413), (23716, 26937), (24108, 26499)]