81681556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{80713}}^1$

素因数の和:80751

約数の個数: 24

約数和(自身を含む): 162719424

約数和(自身を除く): 81037868

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 80713, 161426, 322852, 887843, 1775686, 1856399, 3551372, 3712798, 7425596, 20420389, 40840778, 81681556]

約数ペア:

[(1, 81681556), (2, 40840778), (4, 20420389), (11, 7425596), (22, 3712798), (23, 3551372), (44, 1856399), (46, 1775686), (92, 887843), (253, 322852), (506, 161426), (1012, 80713)]