399225841

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{7573}}^1$

素因数の和:8040

約数の個数: 16

約数和(自身を含む): 484251264

約数和(自身を除く): 85025423

約数列:

[1, 7, 17, 119, 443, 3101, 7531, 7573, 52717, 53011, 128741, 901187, 3354839, 23483873, 57032263, 399225841]

約数ペア:

[(1, 399225841), (7, 57032263), (17, 23483873), (119, 3354839), (443, 901187), (3101, 128741), (7531, 53011), (7573, 52717)]