199902421

素因数分解:

${\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{9601}}^1$

素因数の和:10091

約数の個数: 8

約数和(自身を含む): 204637824

約数和(自身を除く): 4735403

約数列:

[1, 47, 443, 9601, 20821, 451247, 4253243, 199902421]

約数ペア:

[(1, 199902421), (47, 4253243), (443, 451247), (9601, 20821)]