81978556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109597}}^1$

素因数の和:109629

約数の個数: 24

約数和(自身を含む): 165712176

約数和(自身を除く): 83733620

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 109597, 219194, 438388, 1205567, 1863149, 2411134, 3726298, 4822268, 7452596, 20494639, 40989278, 81978556]

約数ペア:

[(1, 81978556), (2, 40989278), (4, 20494639), (11, 7452596), (17, 4822268), (22, 3726298), (34, 2411134), (44, 1863149), (68, 1205567), (187, 438388), (374, 219194), (748, 109597)]