31421618

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2801}}^1$

素因数の和:2953

約数の個数: 16

約数和(自身を含む): 48418560

約数和(自身を除く): 16996942

約数列:

[1, 2, 71, 79, 142, 158, 2801, 5602, 5609, 11218, 198871, 221279, 397742, 442558, 15710809, 31421618]

約数ペア:

[(1, 31421618), (2, 15710809), (71, 442558), (79, 397742), (142, 221279), (158, 198871), (2801, 11218), (5602, 5609)]