25257869

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 8852851

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 377, 493, 563, 1547, 2639, 3451, 3941, 6409, 7319, 9571, 16327, 44863, 51233, 66997, 114289, 124423, 212251, 277559, 870961, 1485757, 1942913, 3608267, 25257869]

約数ペア:

[(1, 25257869), (7, 3608267), (13, 1942913), (17, 1485757), (29, 870961), (91, 277559), (119, 212251), (203, 124423), (221, 114289), (377, 66997), (493, 51233), (563, 44863), (1547, 16327), (2639, 9571), (3451, 7319), (3941, 6409)]