257492556

素因数分解:

$2^2\times 3^2\times {\mathrm{7152571}}^1$

素因数の和:7152581

約数の個数: 18

約数和(自身を含む): 650884052

約数和(自身を除く): 393391496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7152571, 14305142, 21457713, 28610284, 42915426, 64373139, 85830852, 128746278, 257492556]

約数ペア:

[(1, 257492556), (2, 128746278), (3, 85830852), (4, 64373139), (6, 42915426), (9, 28610284), (12, 21457713), (18, 14305142), (36, 7152571)]