209177012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{42071}}^1$

素因数の和:42199

約数の個数: 24

約数和(自身を含む): 402881472

約数和(自身を除く): 193704460

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4972, 42071, 84142, 168284, 462781, 925562, 1851124, 4754023, 9508046, 19016092, 52294253, 104588506, 209177012]

約数ペア:

[(1, 209177012), (2, 104588506), (4, 52294253), (11, 19016092), (22, 9508046), (44, 4754023), (113, 1851124), (226, 925562), (452, 462781), (1243, 168284), (2486, 84142), (4972, 42071)]