31172290

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{20921}}^1$

素因数の和:21077

約数の個数: 16

約数和(自身を含む): 56489400

約数和(自身を除く): 25317110

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 20921, 41842, 104605, 209210, 3117229, 6234458, 15586145, 31172290]

約数ペア:

[(1, 31172290), (2, 15586145), (5, 6234458), (10, 3117229), (149, 209210), (298, 104605), (745, 41842), (1490, 20921)]