25440418

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{557}}^2$

素因数の和:1157

約数の個数: 12

約数和(自身を含む): 39161682

約数和(自身を除く): 13721264

約数列:

[1, 2, 41, 82, 557, 1114, 22837, 45674, 310249, 620498, 12720209, 25440418]

約数ペア:

[(1, 25440418), (2, 12720209), (41, 620498), (82, 310249), (557, 45674), (1114, 22837)]