628403716

素因数分解:

$2^2\times {\mathrm{709}}^1\times {\mathrm{221581}}^1$

素因数の和:222294

約数の個数: 12

約数和(自身を含む): 1101262540

約数和(自身を除く): 472858824

約数列:

[1, 2, 4, 709, 1418, 2836, 221581, 443162, 886324, 157100929, 314201858, 628403716]

約数ペア:

[(1, 628403716), (2, 314201858), (4, 157100929), (709, 886324), (1418, 443162), (2836, 221581)]