87121364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1980031}}^1$

素因数の和:1980046

約数の個数: 12

約数和(自身を含む): 166322688

約数和(自身を除く): 79201324

約数列:

[1, 2, 4, 11, 22, 44, 1980031, 3960062, 7920124, 21780341, 43560682, 87121364]

約数ペア:

[(1, 87121364), (2, 43560682), (4, 21780341), (11, 7920124), (22, 3960062), (44, 1980031)]