81704588

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{55057}}^1$

素因数の和:55121

約数の個数: 24

約数和(自身を含む): 166495392

約数和(自身を除く): 84790804

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 55057, 110114, 220228, 385399, 770798, 1541596, 2918021, 5836042, 11672084, 20426147, 40852294, 81704588]

約数ペア:

[(1, 81704588), (2, 40852294), (4, 20426147), (7, 11672084), (14, 5836042), (28, 2918021), (53, 1541596), (106, 770798), (212, 385399), (371, 220228), (742, 110114), (1484, 55057)]