28420314

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 65372160

約数和(自身を除く): 36951846

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 127, 151, 247, 254, 302, 381, 453, 494, 741, 762, 906, 1482, 1651, 1963, 2413, 2869, 3302, 3926, 4826, 4953, 5738, 5889, 7239, 8607, 9906, 11778, 14478, 17214, 19177, 31369, 37297, 38354, 57531, 62738, 74594, 94107, 111891, 115062, 188214, 223782, 249301, 364363, 498602, 728726, 747903, 1093089, 1495806, 2186178, 4736719, 9473438, 14210157, 28420314]

約数ペア:

[(1, 28420314), (2, 14210157), (3, 9473438), (6, 4736719), (13, 2186178), (19, 1495806), (26, 1093089), (38, 747903), (39, 728726), (57, 498602), (78, 364363), (114, 249301), (127, 223782), (151, 188214), (247, 115062), (254, 111891), (302, 94107), (381, 74594), (453, 62738), (494, 57531), (741, 38354), (762, 37297), (906, 31369), (1482, 19177), (1651, 17214), (1963, 14478), (2413, 11778), (2869, 9906), (3302, 8607), (3926, 7239), (4826, 5889), (4953, 5738)]