779569868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{28439}}^1$

素因数の和:28550

約数の個数: 48

約数和(自身を含む): 1720051200

約数和(自身を除く): 940481332

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 979, 1246, 1958, 2492, 3916, 6853, 13706, 27412, 28439, 56878, 113756, 199073, 312829, 398146, 625658, 796292, 1251316, 2189803, 2531071, 4379606, 5062142, 8759212, 10124284, 17717497, 27841781, 35434994, 55683562, 70869988, 111367124, 194892467, 389784934, 779569868]

約数ペア:

[(1, 779569868), (2, 389784934), (4, 194892467), (7, 111367124), (11, 70869988), (14, 55683562), (22, 35434994), (28, 27841781), (44, 17717497), (77, 10124284), (89, 8759212), (154, 5062142), (178, 4379606), (308, 2531071), (356, 2189803), (623, 1251316), (979, 796292), (1246, 625658), (1958, 398146), (2492, 312829), (3916, 199073), (6853, 113756), (13706, 56878), (27412, 28439)]