81715698428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{520867}}^1$

素因数の和:521322

約数の個数: 48

約数和(自身を含む): 176411741184

約数和(自身を除く): 94696042756

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 431, 862, 1724, 3017, 5603, 6034, 11206, 12068, 22412, 39221, 78442, 156884, 520867, 1041734, 2083468, 3646069, 6771271, 7292138, 13542542, 14584276, 27085084, 47398897, 94797794, 189595588, 224493677, 448987354, 897974708, 1571455739, 2918417801, 3142911478, 5836835602, 6285822956, 11673671204, 20428924607, 40857849214, 81715698428]

約数ペア:

[(1, 81715698428), (2, 40857849214), (4, 20428924607), (7, 11673671204), (13, 6285822956), (14, 5836835602), (26, 3142911478), (28, 2918417801), (52, 1571455739), (91, 897974708), (182, 448987354), (364, 224493677), (431, 189595588), (862, 94797794), (1724, 47398897), (3017, 27085084), (5603, 14584276), (6034, 13542542), (11206, 7292138), (12068, 6771271), (22412, 3646069), (39221, 2083468), (78442, 1041734), (156884, 520867)]