28991784

素因数分解:

$2^3\times 3^1\times {\mathrm{223}}^1\times {\mathrm{5417}}^1$

素因数の和:5649

約数の個数: 32

約数和(自身を含む): 72817920

約数和(自身を除く): 43826136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 223, 446, 669, 892, 1338, 1784, 2676, 5352, 5417, 10834, 16251, 21668, 32502, 43336, 65004, 130008, 1207991, 2415982, 3623973, 4831964, 7247946, 9663928, 14495892, 28991784]

約数ペア:

[(1, 28991784), (2, 14495892), (3, 9663928), (4, 7247946), (6, 4831964), (8, 3623973), (12, 2415982), (24, 1207991), (223, 130008), (446, 65004), (669, 43336), (892, 32502), (1338, 21668), (1784, 16251), (2676, 10834), (5352, 5417)]