31628675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 42507696

約数和(自身を除く): 10879021

約数列:

[1, 5, 13, 25, 65, 307, 317, 325, 1535, 1585, 3991, 4121, 7675, 7925, 19955, 20605, 97319, 99775, 103025, 486595, 1265147, 2432975, 6325735, 31628675]

約数ペア:

[(1, 31628675), (5, 6325735), (13, 2432975), (25, 1265147), (65, 486595), (307, 103025), (317, 99775), (325, 97319), (1535, 20605), (1585, 19955), (3991, 7925), (4121, 7675)]