9987208

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 24145920

約数和(自身を除く): 14158712

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 523, 616, 682, 868, 1046, 1364, 1736, 2092, 2387, 2728, 3661, 4184, 4774, 5753, 7322, 9548, 11506, 14644, 16213, 19096, 23012, 29288, 32426, 40271, 46024, 64852, 80542, 113491, 129704, 161084, 178343, 226982, 322168, 356686, 453964, 713372, 907928, 1248401, 1426744, 2496802, 4993604, 9987208]

約数ペア:

[(1, 9987208), (2, 4993604), (4, 2496802), (7, 1426744), (8, 1248401), (11, 907928), (14, 713372), (22, 453964), (28, 356686), (31, 322168), (44, 226982), (56, 178343), (62, 161084), (77, 129704), (88, 113491), (124, 80542), (154, 64852), (217, 46024), (248, 40271), (308, 32426), (341, 29288), (434, 23012), (523, 19096), (616, 16213), (682, 14644), (868, 11506), (1046, 9548), (1364, 7322), (1736, 5753), (2092, 4774), (2387, 4184), (2728, 3661)]