81286818

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{78311}}^1$

素因数の和:78489

約数の個数: 16

約数和(自身を含む): 163515456

約数和(自身を除く): 82228638

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 78311, 156622, 234933, 469866, 13547803, 27095606, 40643409, 81286818]

約数ペア:

[(1, 81286818), (2, 40643409), (3, 27095606), (6, 13547803), (173, 469866), (346, 234933), (519, 156622), (1038, 78311)]