1285238405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{2124361}}^1$

素因数の和:2124388

約数の個数: 12

約数和(自身を含む): 1695240876

約数和(自身を除く): 410002471

約数列:

[1, 5, 11, 55, 121, 605, 2124361, 10621805, 23367971, 116839855, 257047681, 1285238405]

約数ペア:

[(1, 1285238405), (5, 257047681), (11, 116839855), (55, 23367971), (121, 10621805), (605, 2124361)]