28217761

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 34204896

約数和(自身を除く): 5987135

約数列:

[1, 11, 13, 43, 143, 169, 353, 473, 559, 1859, 3883, 4589, 6149, 7267, 15179, 50479, 59657, 79937, 166969, 197327, 656227, 2170597, 2565251, 28217761]

約数ペア:

[(1, 28217761), (11, 2565251), (13, 2170597), (43, 656227), (143, 197327), (169, 166969), (353, 79937), (473, 59657), (559, 50479), (1859, 15179), (3883, 7267), (4589, 6149)]