421401692

素因数分解:

$2^2\times {\mathrm{557}}^1\times {\mathrm{189139}}^1$

素因数の和:189700

約数の個数: 12

約数和(自身を含む): 738780840

約数和(自身を除く): 317379148

約数列:

[1, 2, 4, 557, 1114, 2228, 189139, 378278, 756556, 105350423, 210700846, 421401692]

約数ペア:

[(1, 421401692), (2, 210700846), (4, 105350423), (557, 756556), (1114, 378278), (2228, 189139)]