408270239

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{1531}}^1$

素因数の和:1898

約数の個数: 16

約数和(自身を含む): 447576864

約数和(自身を除く): 39306625

約数列:

[1, 13, 73, 281, 949, 1531, 3653, 19903, 20513, 111763, 266669, 430211, 1452919, 5592743, 31405403, 408270239]

約数ペア:

[(1, 408270239), (13, 31405403), (73, 5592743), (281, 1452919), (949, 430211), (1531, 266669), (3653, 111763), (19903, 20513)]