81738761656

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{48423437}}^1$

素因数の和:48423654

約数の個数: 16

約数和(自身を含む): 153986532840

約数和(自身を除く): 72247771184

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 48423437, 96846874, 193693748, 387387496, 10217345207, 20434690414, 40869380828, 81738761656]

約数ペア:

[(1, 81738761656), (2, 40869380828), (4, 20434690414), (8, 10217345207), (211, 387387496), (422, 193693748), (844, 96846874), (1688, 48423437)]