128043578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{158863}}^1$

素因数の和:158909

約数の個数: 16

約数和(自身を含む): 213513216

約数和(自身を除く): 85469638

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 158863, 317726, 2065219, 4130438, 4924753, 9849506, 64021789, 128043578]

約数ペア:

[(1, 128043578), (2, 64021789), (13, 9849506), (26, 4924753), (31, 4130438), (62, 2065219), (403, 317726), (806, 158863)]