1905475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:88

約数の個数: 36

約数和(自身を含む): 2859192

約数和(自身を除く): 953717

約数列:

[1, 5, 11, 13, 25, 41, 55, 65, 143, 169, 205, 275, 325, 451, 533, 715, 845, 1025, 1859, 2255, 2665, 3575, 4225, 5863, 6929, 9295, 11275, 13325, 29315, 34645, 46475, 76219, 146575, 173225, 381095, 1905475]

約数ペア:

[(1, 1905475), (5, 381095), (11, 173225), (13, 146575), (25, 76219), (41, 46475), (55, 34645), (65, 29315), (143, 13325), (169, 11275), (205, 9295), (275, 6929), (325, 5863), (451, 4225), (533, 3575), (715, 2665), (845, 2255), (1025, 1859)]