28149025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 37363680

約数和(自身を除く): 9214655

約数列:

[1, 5, 17, 25, 85, 107, 425, 535, 619, 1819, 2675, 3095, 9095, 10523, 15475, 45475, 52615, 66233, 263075, 331165, 1125961, 1655825, 5629805, 28149025]

約数ペア:

[(1, 28149025), (5, 5629805), (17, 1655825), (25, 1125961), (85, 331165), (107, 263075), (425, 66233), (535, 52615), (619, 45475), (1819, 15475), (2675, 10523), (3095, 9095)]