28220324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641371}}^1$

素因数の和:641386

約数の個数: 12

約数和(自身を含む): 53875248

約数和(自身を除く): 25654924

約数列:

[1, 2, 4, 11, 22, 44, 641371, 1282742, 2565484, 7055081, 14110162, 28220324]

約数ペア:

[(1, 28220324), (2, 14110162), (4, 7055081), (11, 2565484), (22, 1282742), (44, 641371)]