157791335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 209780928

約数和(自身を除く): 51989593

約数列:

[1, 5, 13, 53, 65, 163, 265, 281, 689, 815, 1405, 2119, 3445, 3653, 8639, 10595, 14893, 18265, 43195, 45803, 74465, 112307, 193609, 229015, 561535, 595439, 968045, 2427559, 2977195, 12137795, 31558267, 157791335]

約数ペア:

[(1, 157791335), (5, 31558267), (13, 12137795), (53, 2977195), (65, 2427559), (163, 968045), (265, 595439), (281, 561535), (689, 229015), (815, 193609), (1405, 112307), (2119, 74465), (3445, 45803), (3653, 43195), (8639, 18265), (10595, 14893)]