80858756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^2$

素因数の和:656

約数の個数: 36

約数和(自身を含む): 163015440

約数和(自身を除く): 82156684

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 311, 418, 622, 836, 1244, 3421, 5909, 6842, 11818, 13684, 23636, 64999, 96721, 129998, 193442, 259996, 386884, 1063931, 1837699, 2127862, 3675398, 4255724, 7350796, 20214689, 40429378, 80858756]

約数ペア:

[(1, 80858756), (2, 40429378), (4, 20214689), (11, 7350796), (19, 4255724), (22, 3675398), (38, 2127862), (44, 1837699), (76, 1063931), (209, 386884), (311, 259996), (418, 193442), (622, 129998), (836, 96721), (1244, 64999), (3421, 23636), (5909, 13684), (6842, 11818)]