78151918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{81239}}^1$

素因数の和:81291

約数の個数: 16

約数和(自身を含む): 129659040

約数和(自身を除く): 51507122

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 81239, 162478, 1056107, 2112214, 3005843, 6011686, 39075959, 78151918]

約数ペア:

[(1, 78151918), (2, 39075959), (13, 6011686), (26, 3005843), (37, 2112214), (74, 1056107), (481, 162478), (962, 81239)]