489355217

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2399}}^1$

素因数の和:2513

約数の個数: 24

約数和(自身を含む): 569203200

約数和(自身を除く): 79847983

約数列:

[1, 13, 17, 71, 169, 221, 923, 1207, 2399, 2873, 11999, 15691, 31187, 40783, 170329, 203983, 405431, 530179, 2214277, 2895593, 6892327, 28785601, 37642709, 489355217]

約数ペア:

[(1, 489355217), (13, 37642709), (17, 28785601), (71, 6892327), (169, 2895593), (221, 2214277), (923, 530179), (1207, 405431), (2399, 203983), (2873, 170329), (11999, 40783), (15691, 31187)]