81641756

素因数分解:

$2^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{5179}}^1$

素因数の和:5753

約数の個数: 24

約数和(自身を含む): 163605120

約数和(自身を除く): 81963364

約数列:

[1, 2, 4, 7, 14, 28, 563, 1126, 2252, 3941, 5179, 7882, 10358, 15764, 20716, 36253, 72506, 145012, 2915777, 5831554, 11663108, 20410439, 40820878, 81641756]

約数ペア:

[(1, 81641756), (2, 40820878), (4, 20410439), (7, 11663108), (14, 5831554), (28, 2915777), (563, 145012), (1126, 72506), (2252, 36253), (3941, 20716), (5179, 15764), (7882, 10358)]