645155288

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{229}}^1\times {\mathrm{1669}}^1$

素因数の和:2115

約数の個数: 32

約数和(自身を含む): 1221438000

約数和(自身を除く): 576282712

約数列:

[1, 2, 4, 8, 211, 229, 422, 458, 844, 916, 1669, 1688, 1832, 3338, 6676, 13352, 48319, 96638, 193276, 352159, 382201, 386552, 704318, 764402, 1408636, 1528804, 2817272, 3057608, 80644411, 161288822, 322577644, 645155288]

約数ペア:

[(1, 645155288), (2, 322577644), (4, 161288822), (8, 80644411), (211, 3057608), (229, 2817272), (422, 1528804), (458, 1408636), (844, 764402), (916, 704318), (1669, 386552), (1688, 382201), (1832, 352159), (3338, 193276), (6676, 96638), (13352, 48319)]