128670311

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2183

約数の個数: 24

約数和(自身を含む): 163928352

約数和(自身を除く): 35258041

約数列:

[1, 7, 11, 73, 77, 121, 511, 803, 847, 2081, 5621, 8833, 14567, 22891, 61831, 151913, 160237, 251801, 1063391, 1671043, 1762607, 11697301, 18381473, 128670311]

約数ペア:

[(1, 128670311), (7, 18381473), (11, 11697301), (73, 1762607), (77, 1671043), (121, 1063391), (511, 251801), (803, 160237), (847, 151913), (2081, 61831), (5621, 22891), (8833, 14567)]