28556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1$

素因数の和:85

約数の個数: 18

約数和(自身を含む): 55860

約数和(自身を除く): 27304

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 121, 236, 242, 484, 649, 1298, 2596, 7139, 14278, 28556]

約数ペア:

[(1, 28556), (2, 14278), (4, 7139), (11, 2596), (22, 1298), (44, 649), (59, 484), (118, 242), (121, 236)]