638255772

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 288

約数和(自身を含む): 2124595200

約数和(自身を除く): 1486339428

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 37, 42, 44, 49, 63, 66, 74, 77, 84, 98, 99, 111, 126, 127, 132, 147, 148, 154, 196, 198, 222, 231, 252, 254, 259, 294, 308, 333, 343, 381, 396, 407, 441, 444, 462, 508, 518, 539, 588, 666, 686, 693, 762, 777, 814, 882, 889, 924, 1029, 1036, 1078, 1143, 1221, 1332, 1372, 1386, 1397, 1524, 1554, 1617, 1628, 1764, 1778, 1813, 2058, 2156, 2286, 2331, 2442, 2667, 2772, 2794, 2849, 3087, 3108, 3234, 3556, 3626, 3663, 3773, 4116, 4191, 4572, 4662, 4699, 4851, 4884, 5334, 5439, 5588, 5698, 6174, 6223, 6468, 7252, 7326, 7546, 8001, 8382, 8547, 9324, 9398, 9702, 9779, 10668, 10878, 11319, 11396, 12348, 12446, 12573, 12691, 14097, 14652, 15092, 16002, 16317, 16764, 17094, 18669, 18796, 19404, 19558, 19943, 21756, 22638, 24892, 25146, 25382, 25641, 28194, 29337, 32004, 32634, 32893, 33957, 34188, 37338, 38073, 39116, 39886, 42291, 43561, 45276, 50292, 50764, 51282, 51689, 56007, 56388, 58674, 59829, 65268, 65786, 67914, 68453, 74676, 76146, 79772, 84582, 87122, 88011, 98679, 102564, 103378, 112014, 114219, 117348, 119658, 130683, 131572, 135828, 136906, 139601, 152292, 155067, 169164, 174244, 176022, 179487, 197358, 205359, 206756, 224028, 228438, 230251, 239316, 261366, 273812, 279202, 296037, 310134, 352044, 358974, 361823, 392049, 394716, 410718, 418803, 456876, 460502, 465201, 479171, 522732, 558404, 592074, 616077, 620268, 690753, 717948, 723646, 784098, 821436, 837606, 921004, 930402, 958342, 1085469, 1184148, 1232154, 1256409, 1381506, 1437513, 1447292, 1568196, 1611757, 1675212, 1860804, 1916684, 2072259, 2170938, 2464308, 2512818, 2532761, 2763012, 2875026, 3223514, 3256407, 4144518, 4312539, 4341876, 4835271, 5025636, 5065522, 5750052, 6447028, 6512814, 7598283, 8289036, 8625078, 9670542, 10131044, 13025628, 14505813, 15196566, 17250156, 17729327, 19341084, 22794849, 29011626, 30393132, 35458654, 45589698, 53187981, 58023252, 70917308, 91179396, 106375962, 159563943, 212751924, 319127886, 638255772]

約数ペア:

[(1, 638255772), (2, 319127886), (3, 212751924), (4, 159563943), (6, 106375962), (7, 91179396), (9, 70917308), (11, 58023252), (12, 53187981), (14, 45589698), (18, 35458654), (21, 30393132), (22, 29011626), (28, 22794849), (33, 19341084), (36, 17729327), (37, 17250156), (42, 15196566), (44, 14505813), (49, 13025628), (63, 10131044), (66, 9670542), (74, 8625078), (77, 8289036), (84, 7598283), (98, 6512814), (99, 6447028), (111, 5750052), (126, 5065522), (127, 5025636), (132, 4835271), (147, 4341876), (148, 4312539), (154, 4144518), (196, 3256407), (198, 3223514), (222, 2875026), (231, 2763012), (252, 2532761), (254, 2512818), (259, 2464308), (294, 2170938), (308, 2072259), (333, 1916684), (343, 1860804), (381, 1675212), (396, 1611757), (407, 1568196), (441, 1447292), (444, 1437513), (462, 1381506), (508, 1256409), (518, 1232154), (539, 1184148), (588, 1085469), (666, 958342), (686, 930402), (693, 921004), (762, 837606), (777, 821436), (814, 784098), (882, 723646), (889, 717948), (924, 690753), (1029, 620268), (1036, 616077), (1078, 592074), (1143, 558404), (1221, 522732), (1332, 479171), (1372, 465201), (1386, 460502), (1397, 456876), (1524, 418803), (1554, 410718), (1617, 394716), (1628, 392049), (1764, 361823), (1778, 358974), (1813, 352044), (2058, 310134), (2156, 296037), (2286, 279202), (2331, 273812), (2442, 261366), (2667, 239316), (2772, 230251), (2794, 228438), (2849, 224028), (3087, 206756), (3108, 205359), (3234, 197358), (3556, 179487), (3626, 176022), (3663, 174244), (3773, 169164), (4116, 155067), (4191, 152292), (4572, 139601), (4662, 136906), (4699, 135828), (4851, 131572), (4884, 130683), (5334, 119658), (5439, 117348), (5588, 114219), (5698, 112014), (6174, 103378), (6223, 102564), (6468, 98679), (7252, 88011), (7326, 87122), (7546, 84582), (8001, 79772), (8382, 76146), (8547, 74676), (9324, 68453), (9398, 67914), (9702, 65786), (9779, 65268), (10668, 59829), (10878, 58674), (11319, 56388), (11396, 56007), (12348, 51689), (12446, 51282), (12573, 50764), (12691, 50292), (14097, 45276), (14652, 43561), (15092, 42291), (16002, 39886), (16317, 39116), (16764, 38073), (17094, 37338), (18669, 34188), (18796, 33957), (19404, 32893), (19558, 32634), (19943, 32004), (21756, 29337), (22638, 28194), (24892, 25641), (25146, 25382)]