13898975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1009}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 18786000

約数和(自身を除く): 4887025

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 1009, 2755, 5045, 13775, 19171, 25225, 29261, 95855, 146305, 479275, 555959, 731525, 2779795, 13898975]

約数ペア:

[(1, 13898975), (5, 2779795), (19, 731525), (25, 555959), (29, 479275), (95, 146305), (145, 95855), (475, 29261), (551, 25225), (725, 19171), (1009, 13775), (2755, 5045)]