163921709

素因数分解:

$7^2\times {\mathrm{521}}^1\times {\mathrm{6421}}^1$

素因数の和:6956

約数の個数: 12

約数和(自身を含む): 191080188

約数和(自身を除く): 27158479

約数列:

[1, 7, 49, 521, 3647, 6421, 25529, 44947, 314629, 3345341, 23417387, 163921709]

約数ペア:

[(1, 163921709), (7, 23417387), (49, 3345341), (521, 314629), (3647, 44947), (6421, 25529)]