31438870

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28843}}^1$

素因数の和:28959

約数の個数: 16

約数和(自身を含む): 57111120

約数和(自身を除く): 25672250

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 28843, 57686, 144215, 288430, 3143887, 6287774, 15719435, 31438870]

約数ペア:

[(1, 31438870), (2, 15719435), (5, 6287774), (10, 3143887), (109, 288430), (218, 144215), (545, 57686), (1090, 28843)]