12712778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 21422016

約数和(自身を除く): 8709238

約数列:

[1, 2, 13, 26, 43, 83, 86, 137, 166, 274, 559, 1079, 1118, 1781, 2158, 3562, 3569, 5891, 7138, 11371, 11782, 22742, 46397, 76583, 92794, 147823, 153166, 295646, 488953, 977906, 6356389, 12712778]

約数ペア:

[(1, 12712778), (2, 6356389), (13, 977906), (26, 488953), (43, 295646), (83, 153166), (86, 147823), (137, 92794), (166, 76583), (274, 46397), (559, 22742), (1079, 11782), (1118, 11371), (1781, 7138), (2158, 5891), (3562, 3569)]