129616456

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{2477}}^1$

素因数の和:2725

約数の個数: 32

約数和(自身を含む): 252161280

約数和(自身を除く): 122544824

約数列:

[1, 2, 4, 8, 31, 62, 124, 211, 248, 422, 844, 1688, 2477, 4954, 6541, 9908, 13082, 19816, 26164, 52328, 76787, 153574, 307148, 522647, 614296, 1045294, 2090588, 4181176, 16202057, 32404114, 64808228, 129616456]

約数ペア:

[(1, 129616456), (2, 64808228), (4, 32404114), (8, 16202057), (31, 4181176), (62, 2090588), (124, 1045294), (211, 614296), (248, 522647), (422, 307148), (844, 153574), (1688, 76787), (2477, 52328), (4954, 26164), (6541, 19816), (9908, 13082)]