407998804

素因数分解:

$2^2\times {\mathrm{1301}}^1\times {\mathrm{78401}}^1$

素因数の和:79706

約数の個数: 12

約数和(自身を含む): 714555828

約数和(自身を除く): 306557024

約数列:

[1, 2, 4, 1301, 2602, 5204, 78401, 156802, 313604, 101999701, 203999402, 407998804]

約数ペア:

[(1, 407998804), (2, 203999402), (4, 101999701), (1301, 313604), (2602, 156802), (5204, 78401)]