87928378

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 139594752

約数和(自身を除く): 51666374

約数列:

[1, 2, 43, 53, 86, 101, 106, 191, 202, 382, 2279, 4343, 4558, 5353, 8213, 8686, 10123, 10706, 16426, 19291, 20246, 38582, 230179, 435289, 460358, 829513, 870578, 1022423, 1659026, 2044846, 43964189, 87928378]

約数ペア:

[(1, 87928378), (2, 43964189), (43, 2044846), (53, 1659026), (86, 1022423), (101, 870578), (106, 829513), (191, 460358), (202, 435289), (382, 230179), (2279, 38582), (4343, 20246), (4558, 19291), (5353, 16426), (8213, 10706), (8686, 10123)]