80838868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{4723}}^1$

素因数の和:5127

約数の個数: 24

約数和(自身を含む): 154758240

約数和(自身を除く): 73919372

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1556, 4279, 4723, 8558, 9446, 17116, 18892, 51953, 103906, 207812, 1837247, 3674494, 7348988, 20209717, 40419434, 80838868]

約数ペア:

[(1, 80838868), (2, 40419434), (4, 20209717), (11, 7348988), (22, 3674494), (44, 1837247), (389, 207812), (778, 103906), (1556, 51953), (4279, 18892), (4723, 17116), (8558, 9446)]