128568506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{18671}}^1$

素因数の和:18997

約数の個数: 16

約数和(自身を含む): 211068288

約数和(自身を除く): 82499782

約数列:

[1, 2, 11, 22, 313, 626, 3443, 6886, 18671, 37342, 205381, 410762, 5844023, 11688046, 64284253, 128568506]

約数ペア:

[(1, 128568506), (2, 64284253), (11, 11688046), (22, 5844023), (313, 410762), (626, 205381), (3443, 37342), (6886, 18671)]