399331372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{9075713}}^1$

素因数の和:9075728

約数の個数: 12

約数和(自身を含む): 762359976

約数和(自身を除く): 363028604

約数列:

[1, 2, 4, 11, 22, 44, 9075713, 18151426, 36302852, 99832843, 199665686, 399331372]

約数ペア:

[(1, 399331372), (2, 199665686), (4, 99832843), (11, 36302852), (22, 18151426), (44, 9075713)]