9801025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 13358520

約数和(自身を除く): 3557495

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 569, 689, 1325, 2845, 3445, 7397, 14225, 17225, 30157, 36985, 150785, 184925, 392041, 753925, 1960205, 9801025]

約数ペア:

[(1, 9801025), (5, 1960205), (13, 753925), (25, 392041), (53, 184925), (65, 150785), (265, 36985), (325, 30157), (569, 17225), (689, 14225), (1325, 7397), (2845, 3445)]