318731894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{395449}}^1$

素因数の和:395495

約数の個数: 16

約数和(自身を含む): 531484800

約数和(自身を除く): 212752906

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 395449, 790898, 5140837, 10281674, 12258919, 24517838, 159365947, 318731894]

約数ペア:

[(1, 318731894), (2, 159365947), (13, 24517838), (26, 12258919), (31, 10281674), (62, 5140837), (403, 790898), (806, 395449)]