39909905

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{10091}}^1$

素因数の和:10216

約数の個数: 16

約数和(自身を含む): 55223424

約数和(自身を除く): 15313519

約数列:

[1, 5, 7, 35, 113, 565, 791, 3955, 10091, 50455, 70637, 353185, 1140283, 5701415, 7981981, 39909905]

約数ペア:

[(1, 39909905), (5, 7981981), (7, 5701415), (35, 1140283), (113, 353185), (565, 70637), (791, 50455), (3955, 10091)]