9907216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 21123648

約数和(自身を除く): 11216432

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 181, 311, 362, 622, 724, 1244, 1448, 1991, 2488, 2896, 3421, 3982, 4976, 6842, 7964, 13684, 15928, 27368, 31856, 54736, 56291, 112582, 225164, 450328, 619201, 900656, 1238402, 2476804, 4953608, 9907216]

約数ペア:

[(1, 9907216), (2, 4953608), (4, 2476804), (8, 1238402), (11, 900656), (16, 619201), (22, 450328), (44, 225164), (88, 112582), (176, 56291), (181, 54736), (311, 31856), (362, 27368), (622, 15928), (724, 13684), (1244, 7964), (1448, 6842), (1991, 4976), (2488, 3982), (2896, 3421)]