87642736

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{39983}}^1$

素因数の和:40128

約数の個数: 20

約数和(自身を含む): 171051552

約数和(自身を除く): 83408816

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 39983, 79966, 159932, 319864, 639728, 5477671, 10955342, 21910684, 43821368, 87642736]

約数ペア:

[(1, 87642736), (2, 43821368), (4, 21910684), (8, 10955342), (16, 5477671), (137, 639728), (274, 319864), (548, 159932), (1096, 79966), (2192, 39983)]