87431556

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 223534080

約数和(自身を除く): 136102524

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 53, 69, 86, 92, 106, 129, 138, 139, 159, 172, 212, 258, 276, 278, 318, 417, 516, 556, 636, 834, 989, 1219, 1668, 1978, 2279, 2438, 2967, 3197, 3657, 3956, 4558, 4876, 5934, 5977, 6394, 6837, 7314, 7367, 9116, 9591, 11868, 11954, 12788, 13674, 14628, 14734, 17931, 19182, 22101, 23908, 27348, 29468, 35862, 38364, 44202, 52417, 71724, 88404, 104834, 137471, 157251, 169441, 209668, 274942, 314502, 316781, 338882, 412413, 508323, 549884, 629004, 633562, 677764, 824826, 950343, 1016646, 1267124, 1649652, 1900686, 2033292, 3801372, 7285963, 14571926, 21857889, 29143852, 43715778, 87431556]

約数ペア:

[(1, 87431556), (2, 43715778), (3, 29143852), (4, 21857889), (6, 14571926), (12, 7285963), (23, 3801372), (43, 2033292), (46, 1900686), (53, 1649652), (69, 1267124), (86, 1016646), (92, 950343), (106, 824826), (129, 677764), (138, 633562), (139, 629004), (159, 549884), (172, 508323), (212, 412413), (258, 338882), (276, 316781), (278, 314502), (318, 274942), (417, 209668), (516, 169441), (556, 157251), (636, 137471), (834, 104834), (989, 88404), (1219, 71724), (1668, 52417), (1978, 44202), (2279, 38364), (2438, 35862), (2967, 29468), (3197, 27348), (3657, 23908), (3956, 22101), (4558, 19182), (4876, 17931), (5934, 14734), (5977, 14628), (6394, 13674), (6837, 12788), (7314, 11954), (7367, 11868), (9116, 9591)]