13801025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4639}}^1$

素因数の和:4673

約数の個数: 24

約数和(自身を含む): 20712960

約数和(自身を除く): 6911935

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 4639, 23195, 32473, 78863, 115975, 162365, 394315, 552041, 811825, 1971575, 2760205, 13801025]

約数ペア:

[(1, 13801025), (5, 2760205), (7, 1971575), (17, 811825), (25, 552041), (35, 394315), (85, 162365), (119, 115975), (175, 78863), (425, 32473), (595, 23195), (2975, 4639)]