1561142

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{6451}}^1$

素因数の和:6475

約数の個数: 12

約数和(自身を含む): 2574348

約数和(自身を除く): 1013206

約数列:

[1, 2, 11, 22, 121, 242, 6451, 12902, 70961, 141922, 780571, 1561142]

約数ペア:

[(1, 1561142), (2, 780571), (11, 141922), (22, 70961), (121, 12902), (242, 6451)]