1809665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 2552256

約数和(自身を除く): 742591

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 2531, 12655, 27841, 32903, 139205, 164515, 361933, 1809665]

約数ペア:

[(1, 1809665), (5, 361933), (11, 164515), (13, 139205), (55, 32903), (65, 27841), (143, 12655), (715, 2531)]