281917188

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 216

約数和(自身を含む): 893984000

約数和(自身を除く): 612066812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 49, 51, 63, 68, 79, 84, 98, 102, 119, 126, 147, 153, 158, 196, 204, 237, 238, 252, 289, 294, 306, 316, 343, 357, 441, 474, 476, 553, 578, 588, 612, 686, 711, 714, 833, 867, 882, 948, 1029, 1071, 1106, 1156, 1343, 1372, 1422, 1428, 1659, 1666, 1734, 1764, 2023, 2058, 2142, 2212, 2499, 2601, 2686, 2844, 3087, 3318, 3332, 3468, 3871, 4029, 4046, 4116, 4284, 4977, 4998, 5202, 5372, 5831, 6069, 6174, 6636, 7497, 7742, 8058, 8092, 9401, 9954, 9996, 10404, 11613, 11662, 12087, 12138, 12348, 14161, 14994, 15484, 16116, 17493, 18207, 18802, 19908, 22831, 23226, 23324, 24174, 24276, 27097, 28203, 28322, 29988, 34839, 34986, 36414, 37604, 42483, 45662, 46452, 48348, 52479, 54194, 56406, 56644, 65807, 68493, 69678, 69972, 72828, 81291, 84609, 84966, 91324, 99127, 104958, 108388, 112812, 127449, 131614, 136986, 139356, 159817, 162582, 169218, 169932, 197421, 198254, 205479, 209916, 243873, 254898, 263228, 273972, 297381, 319634, 325164, 338436, 394842, 396508, 410958, 460649, 479451, 487746, 509796, 592263, 594762, 639268, 789684, 821916, 892143, 921298, 958902, 975492, 1118719, 1184526, 1189524, 1381947, 1438353, 1784286, 1842596, 1917804, 2237438, 2369052, 2763894, 2876706, 3356157, 3568572, 4145841, 4474876, 5527788, 5753412, 6712314, 7831033, 8291682, 10068471, 13424628, 15662066, 16583364, 20136942, 23493099, 31324132, 40273884, 46986198, 70479297, 93972396, 140958594, 281917188]

約数ペア:

[(1, 281917188), (2, 140958594), (3, 93972396), (4, 70479297), (6, 46986198), (7, 40273884), (9, 31324132), (12, 23493099), (14, 20136942), (17, 16583364), (18, 15662066), (21, 13424628), (28, 10068471), (34, 8291682), (36, 7831033), (42, 6712314), (49, 5753412), (51, 5527788), (63, 4474876), (68, 4145841), (79, 3568572), (84, 3356157), (98, 2876706), (102, 2763894), (119, 2369052), (126, 2237438), (147, 1917804), (153, 1842596), (158, 1784286), (196, 1438353), (204, 1381947), (237, 1189524), (238, 1184526), (252, 1118719), (289, 975492), (294, 958902), (306, 921298), (316, 892143), (343, 821916), (357, 789684), (441, 639268), (474, 594762), (476, 592263), (553, 509796), (578, 487746), (588, 479451), (612, 460649), (686, 410958), (711, 396508), (714, 394842), (833, 338436), (867, 325164), (882, 319634), (948, 297381), (1029, 273972), (1071, 263228), (1106, 254898), (1156, 243873), (1343, 209916), (1372, 205479), (1422, 198254), (1428, 197421), (1659, 169932), (1666, 169218), (1734, 162582), (1764, 159817), (2023, 139356), (2058, 136986), (2142, 131614), (2212, 127449), (2499, 112812), (2601, 108388), (2686, 104958), (2844, 99127), (3087, 91324), (3318, 84966), (3332, 84609), (3468, 81291), (3871, 72828), (4029, 69972), (4046, 69678), (4116, 68493), (4284, 65807), (4977, 56644), (4998, 56406), (5202, 54194), (5372, 52479), (5831, 48348), (6069, 46452), (6174, 45662), (6636, 42483), (7497, 37604), (7742, 36414), (8058, 34986), (8092, 34839), (9401, 29988), (9954, 28322), (9996, 28203), (10404, 27097), (11613, 24276), (11662, 24174), (12087, 23324), (12138, 23226), (12348, 22831), (14161, 19908), (14994, 18802), (15484, 18207), (16116, 17493)]