81478792

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{15889}}^1$

素因数の和:16536

約数の個数: 16

約数和(自身を含む): 153020700

約数和(自身を除く): 71541908

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 15889, 31778, 63556, 127112, 10184849, 20369698, 40739396, 81478792]

約数ペア:

[(1, 81478792), (2, 40739396), (4, 20369698), (8, 10184849), (641, 127112), (1282, 63556), (2564, 31778), (5128, 15889)]