398045156

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{667861}}^1$

素因数の和:668014

約数の個数: 12

約数和(自身を含む): 701255100

約数和(自身を除く): 303209944

約数列:

[1, 2, 4, 149, 298, 596, 667861, 1335722, 2671444, 99511289, 199022578, 398045156]

約数ペア:

[(1, 398045156), (2, 199022578), (4, 99511289), (149, 2671444), (298, 1335722), (596, 667861)]