209690209

素因数分解:

${\mathrm{163}}^1\times {\mathrm{433}}^1\times {\mathrm{2971}}^1$

素因数の和:3567

約数の個数: 8

約数和(自身を含む): 211535072

約数和(自身を除く): 1844863

約数列:

[1, 163, 433, 2971, 70579, 484273, 1286443, 209690209]

約数ペア:

[(1, 209690209), (163, 1286443), (433, 484273), (2971, 70579)]