31240418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{23279}}^1$

素因数の和:23353

約数の個数: 16

約数和(自身を含む): 51960960

約数和(自身を除く): 20720542

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 23279, 46558, 256069, 512138, 1420019, 2840038, 15620209, 31240418]

約数ペア:

[(1, 31240418), (2, 15620209), (11, 2840038), (22, 1420019), (61, 512138), (122, 256069), (671, 46558), (1342, 23279)]