397480324

素因数分解:

$2^2\times {\mathrm{10909}}^1\times {\mathrm{9109}}^1$

素因数の和:20022

約数の個数: 12

約数和(自身を含む): 695730700

約数和(自身を除く): 298250376

約数列:

[1, 2, 4, 9109, 10909, 18218, 21818, 36436, 43636, 99370081, 198740162, 397480324]

約数ペア:

[(1, 397480324), (2, 198740162), (4, 99370081), (9109, 43636), (10909, 36436), (18218, 21818)]