489603985

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{4423}}^1$

素因数の和:4585

約数の個数: 24

約数和(自身を含む): 641196864

約数和(自身を除く): 151592879

約数列:

[1, 5, 13, 65, 131, 169, 655, 845, 1703, 4423, 8515, 22115, 22139, 57499, 110695, 287495, 579413, 747487, 2897065, 3737435, 7532369, 37661845, 97920797, 489603985]

約数ペア:

[(1, 489603985), (5, 97920797), (13, 37661845), (65, 7532369), (131, 3737435), (169, 2897065), (655, 747487), (845, 579413), (1703, 287495), (4423, 110695), (8515, 57499), (22115, 22139)]