25295879

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 29568000

約数和(自身を除く): 4272121

約数列:

[1, 7, 79, 149, 307, 553, 1043, 2149, 11771, 24253, 45743, 82397, 169771, 320201, 3613697, 25295879]

約数ペア:

[(1, 25295879), (7, 3613697), (79, 320201), (149, 169771), (307, 82397), (553, 45743), (1043, 24253), (2149, 11771)]