71521985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{6907}}^1$

素因数の和:7040

約数の個数: 16

約数和(自身を含む): 91185600

約数和(自身を除く): 19663615

約数列:

[1, 5, 19, 95, 109, 545, 2071, 6907, 10355, 34535, 131233, 656165, 752863, 3764315, 14304397, 71521985]

約数ペア:

[(1, 71521985), (5, 14304397), (19, 3764315), (95, 752863), (109, 656165), (545, 131233), (2071, 34535), (6907, 10355)]