56718870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145433}}^1$

素因数の和:145456

約数の個数: 32

約数和(自身を含む): 146597472

約数和(自身を除く): 89878602

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 145433, 290866, 436299, 727165, 872598, 1454330, 1890629, 2181495, 3781258, 4362990, 5671887, 9453145, 11343774, 18906290, 28359435, 56718870]

約数ペア:

[(1, 56718870), (2, 28359435), (3, 18906290), (5, 11343774), (6, 9453145), (10, 5671887), (13, 4362990), (15, 3781258), (26, 2181495), (30, 1890629), (39, 1454330), (65, 872598), (78, 727165), (130, 436299), (195, 290866), (390, 145433)]