31709210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{243917}}^1$

素因数の和:243937

約数の個数: 16

約数和(自身を含む): 61467336

約数和(自身を除く): 29758126

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 243917, 487834, 1219585, 2439170, 3170921, 6341842, 15854605, 31709210]

約数ペア:

[(1, 31709210), (2, 15854605), (5, 6341842), (10, 3170921), (13, 2439170), (26, 1219585), (65, 487834), (130, 243917)]