890246522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{400651}}^1$

素因数の和:400765

約数の個数: 16

約数和(自身を含む): 1471194144

約数和(自身を除く): 580947622

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 400651, 801302, 4407161, 8814322, 40465751, 80931502, 445123261, 890246522]

約数ペア:

[(1, 890246522), (2, 445123261), (11, 80931502), (22, 40465751), (101, 8814322), (202, 4407161), (1111, 801302), (2222, 400651)]