51791090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{398393}}^1$

素因数の和:398413

約数の個数: 16

約数和(自身を含む): 100395288

約数和(自身を除く): 48604198

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 398393, 796786, 1991965, 3983930, 5179109, 10358218, 25895545, 51791090]

約数ペア:

[(1, 51791090), (2, 25895545), (5, 10358218), (10, 5179109), (13, 3983930), (26, 1991965), (65, 796786), (130, 398393)]