289090126

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 476517888

約数和(自身を除く): 187427762

約数列:

[1, 2, 13, 26, 67, 134, 263, 526, 631, 871, 1262, 1742, 3419, 6838, 8203, 16406, 17621, 35242, 42277, 84554, 165953, 229073, 331906, 458146, 549601, 1099202, 2157389, 4314778, 11118851, 22237702, 144545063, 289090126]

約数ペア:

[(1, 289090126), (2, 144545063), (13, 22237702), (26, 11118851), (67, 4314778), (134, 2157389), (263, 1099202), (526, 549601), (631, 458146), (871, 331906), (1262, 229073), (1742, 165953), (3419, 84554), (6838, 42277), (8203, 35242), (16406, 17621)]