257062985

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1\times {\mathrm{1723}}^1$

素因数の和:2344

約数の個数: 16

約数和(自身を含む): 315036864

約数和(自身を除く): 57973879

約数列:

[1, 5, 53, 265, 563, 1723, 2815, 8615, 29839, 91319, 149195, 456595, 970049, 4850245, 51412597, 257062985]

約数ペア:

[(1, 257062985), (5, 51412597), (53, 4850245), (265, 970049), (563, 456595), (1723, 149195), (2815, 91319), (8615, 29839)]