66978886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{32609}}^1$

素因数の和:32703

約数の個数: 16

約数和(自身を含む): 109569600

約数和(自身を除く): 42590714

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 32609, 65218, 423917, 847834, 2576111, 5152222, 33489443, 66978886]

約数ペア:

[(1, 66978886), (2, 33489443), (13, 5152222), (26, 2576111), (79, 847834), (158, 423917), (1027, 65218), (2054, 32609)]