212842511

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1\times {\mathrm{691}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 247127040

約数和(自身を除く): 34284529

約数列:

[1, 7, 79, 553, 557, 691, 3899, 4837, 44003, 54589, 308021, 382123, 384887, 2694209, 30406073, 212842511]

約数ペア:

[(1, 212842511), (7, 30406073), (79, 2694209), (553, 384887), (557, 382123), (691, 308021), (3899, 54589), (4837, 44003)]