221974516

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{702451}}^1$

素因数の和:702534

約数の個数: 12

約数和(自身を含む): 393373120

約数和(自身を除く): 171398604

約数列:

[1, 2, 4, 79, 158, 316, 702451, 1404902, 2809804, 55493629, 110987258, 221974516]

約数ペア:

[(1, 221974516), (2, 110987258), (4, 55493629), (79, 2809804), (158, 1404902), (316, 702451)]