28720186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{1433}}^1$

素因数の和:2357

約数の個数: 16

約数和(自身を含む): 47081088

約数和(自身を除く): 18360902

約数列:

[1, 2, 11, 22, 911, 1433, 1822, 2866, 10021, 15763, 20042, 31526, 1305463, 2610926, 14360093, 28720186]

約数ペア:

[(1, 28720186), (2, 14360093), (11, 2610926), (22, 1305463), (911, 31526), (1433, 20042), (1822, 15763), (2866, 10021)]