15985025

素因数分解:

$5^2\times 7^2\times {\mathrm{13049}}^1$

素因数の和:13073

約数の個数: 18

約数和(自身を含む): 23059350

約数和(自身を除く): 7074325

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 13049, 65245, 91343, 326225, 456715, 639401, 2283575, 3197005, 15985025]

約数ペア:

[(1, 15985025), (5, 3197005), (7, 2283575), (25, 639401), (35, 456715), (49, 326225), (175, 91343), (245, 65245), (1225, 13049)]