25081915

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 30650400

約数和(自身を除く): 5568485

約数列:

[1, 5, 131, 149, 257, 655, 745, 1285, 19519, 33667, 38293, 97595, 168335, 191465, 5016383, 25081915]

約数ペア:

[(1, 25081915), (5, 5016383), (131, 191465), (149, 168335), (257, 97595), (655, 38293), (745, 33667), (1285, 19519)]