25420591

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1609}}^1$

素因数の和:1714

約数の個数: 16

約数和(自身を含む): 30345280

約数和(自身を除く): 4924689

約数列:

[1, 7, 37, 61, 259, 427, 1609, 2257, 11263, 15799, 59533, 98149, 416731, 687043, 3631513, 25420591]

約数ペア:

[(1, 25420591), (7, 3631513), (37, 687043), (61, 416731), (259, 98149), (427, 59533), (1609, 15799), (2257, 11263)]