81606416

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{18413}}^1$

素因数の和:18698

約数の個数: 20

約数和(自身を含む): 158691852

約数和(自身を除く): 77085436

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 18413, 36826, 73652, 147304, 294608, 5100401, 10200802, 20401604, 40803208, 81606416]

約数ペア:

[(1, 81606416), (2, 40803208), (4, 20401604), (8, 10200802), (16, 5100401), (277, 294608), (554, 147304), (1108, 73652), (2216, 36826), (4432, 18413)]