178208641

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 200011680

約数和(自身を除く): 21803039

約数列:

[1, 13, 43, 137, 169, 179, 559, 1781, 2327, 5891, 7267, 7697, 23153, 24523, 30251, 76583, 100061, 318799, 995579, 1054489, 1300793, 4144387, 13708357, 178208641]

約数ペア:

[(1, 178208641), (13, 13708357), (43, 4144387), (137, 1300793), (169, 1054489), (179, 995579), (559, 318799), (1781, 100061), (2327, 76583), (5891, 30251), (7267, 24523), (7697, 23153)]