71531525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2473}}^1$

素因数の和:2585

約数の個数: 24

約数和(自身を含む): 96634440

約数和(自身を除く): 25102915

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 1157, 2225, 2473, 5785, 12365, 28925, 32149, 61825, 160745, 220097, 803725, 1100485, 2861261, 5502425, 14306305, 71531525]

約数ペア:

[(1, 71531525), (5, 14306305), (13, 5502425), (25, 2861261), (65, 1100485), (89, 803725), (325, 220097), (445, 160745), (1157, 61825), (2225, 32149), (2473, 28925), (5785, 12365)]