81322018

素因数分解:

$2^1\times {\mathrm{631}}^1\times {\mathrm{64439}}^1$

素因数の和:65072

約数の個数: 8

約数和(自身を含む): 122178240

約数和(自身を除く): 40856222

約数列:

[1, 2, 631, 1262, 64439, 128878, 40661009, 81322018]

約数ペア:

[(1, 81322018), (2, 40661009), (631, 128878), (1262, 64439)]