90730168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{4357}}^1$

素因数の和:4519

約数の個数: 32

約数和(自身を含む): 180421200

約数和(自身を除く): 89691032

約数列:

[1, 2, 4, 8, 19, 38, 76, 137, 152, 274, 548, 1096, 2603, 4357, 5206, 8714, 10412, 17428, 20824, 34856, 82783, 165566, 331132, 596909, 662264, 1193818, 2387636, 4775272, 11341271, 22682542, 45365084, 90730168]

約数ペア:

[(1, 90730168), (2, 45365084), (4, 22682542), (8, 11341271), (19, 4775272), (38, 2387636), (76, 1193818), (137, 662264), (152, 596909), (274, 331132), (548, 165566), (1096, 82783), (2603, 34856), (4357, 20824), (5206, 17428), (8714, 10412)]