90871529

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{63949}}^1$

素因数の和:63992

約数の個数: 12

約数和(自身を含む): 109354500

約数和(自身を除く): 18482971

約数列:

[1, 7, 29, 49, 203, 1421, 63949, 447643, 1854521, 3133501, 12981647, 90871529]

約数ペア:

[(1, 90871529), (7, 12981647), (29, 3133501), (49, 1854521), (203, 447643), (1421, 63949)]