28392716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6389}}^1$

素因数の和:6505

約数の個数: 24

約数和(自身を含む): 54749520

約数和(自身を除く): 26356804

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4444, 6389, 12778, 25556, 70279, 140558, 281116, 645289, 1290578, 2581156, 7098179, 14196358, 28392716]

約数ペア:

[(1, 28392716), (2, 14196358), (4, 7098179), (11, 2581156), (22, 1290578), (44, 645289), (101, 281116), (202, 140558), (404, 70279), (1111, 25556), (2222, 12778), (4444, 6389)]