260539526

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{4729}}^1$

素因数の和:4920

約数の個数: 24

約数和(自身を含む): 425870280

約数和(自身を除く): 165330754

約数列:

[1, 2, 13, 26, 163, 169, 326, 338, 2119, 4238, 4729, 9458, 27547, 55094, 61477, 122954, 770827, 799201, 1541654, 1598402, 10020751, 20041502, 130269763, 260539526]

約数ペア:

[(1, 260539526), (2, 130269763), (13, 20041502), (26, 10020751), (163, 1598402), (169, 1541654), (326, 799201), (338, 770827), (2119, 122954), (4238, 61477), (4729, 55094), (9458, 27547)]