12912445

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 20027520

約数和(自身を除く): 7115075

約数列:

[1, 5, 7, 13, 35, 37, 59, 65, 91, 169, 185, 259, 295, 413, 455, 481, 767, 845, 1183, 1295, 2065, 2183, 2405, 3367, 3835, 5369, 5915, 6253, 9971, 10915, 15281, 16835, 26845, 28379, 31265, 43771, 49855, 69797, 76405, 141895, 198653, 218855, 348985, 368927, 993265, 1844635, 2582489, 12912445]

約数ペア:

[(1, 12912445), (5, 2582489), (7, 1844635), (13, 993265), (35, 368927), (37, 348985), (59, 218855), (65, 198653), (91, 141895), (169, 76405), (185, 69797), (259, 49855), (295, 43771), (413, 31265), (455, 28379), (481, 26845), (767, 16835), (845, 15281), (1183, 10915), (1295, 9971), (2065, 6253), (2183, 5915), (2405, 5369), (3367, 3835)]