16886725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 22389440

約数和(自身を除く): 5502715

約数列:

[1, 5, 19, 25, 73, 95, 365, 475, 487, 1387, 1825, 2435, 6935, 9253, 12175, 34675, 35551, 46265, 177755, 231325, 675469, 888775, 3377345, 16886725]

約数ペア:

[(1, 16886725), (5, 3377345), (19, 888775), (25, 675469), (73, 231325), (95, 177755), (365, 46265), (475, 35551), (487, 34675), (1387, 12175), (1825, 9253), (2435, 6935)]