388670438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{139709}}^1$

素因数の和:139831

約数の個数: 16

約数和(自身を含む): 633724560

約数和(自身を除く): 245054122

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 139709, 279418, 1816217, 3632434, 14948863, 29897726, 194335219, 388670438]

約数ペア:

[(1, 388670438), (2, 194335219), (13, 29897726), (26, 14948863), (107, 3632434), (214, 1816217), (1391, 279418), (2782, 139709)]