25981361

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{977}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 30983040

約数和(自身を除く): 5001679

約数列:

[1, 7, 29, 131, 203, 917, 977, 3799, 6839, 26593, 28333, 127987, 198331, 895909, 3711623, 25981361]

約数ペア:

[(1, 25981361), (7, 3711623), (29, 895909), (131, 198331), (203, 127987), (917, 28333), (977, 26593), (3799, 6839)]