68881975

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 88632720

約数和(自身を除く): 19750745

約数列:

[1, 5, 25, 37, 113, 185, 565, 659, 925, 2825, 3295, 4181, 16475, 20905, 24383, 74467, 104525, 121915, 372335, 609575, 1861675, 2755279, 13776395, 68881975]

約数ペア:

[(1, 68881975), (5, 13776395), (25, 2755279), (37, 1861675), (113, 609575), (185, 372335), (565, 121915), (659, 104525), (925, 74467), (2825, 24383), (3295, 20905), (4181, 16475)]