397891198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{12911}}^1$

素因数の和:13743

約数の個数: 16

約数和(自身を含む): 629072640

約数和(自身を除く): 231181442

約数列:

[1, 2, 19, 38, 811, 1622, 12911, 15409, 25822, 30818, 245309, 490618, 10470821, 20941642, 198945599, 397891198]

約数ペア:

[(1, 397891198), (2, 198945599), (19, 20941642), (38, 10470821), (811, 490618), (1622, 245309), (12911, 30818), (15409, 25822)]