28991632

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{42139}}^1$

素因数の和:42190

約数の個数: 20

約数和(自身を含む): 57478960

約数和(自身を除く): 28487328

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 42139, 84278, 168556, 337112, 674224, 1811977, 3623954, 7247908, 14495816, 28991632]

約数ペア:

[(1, 28991632), (2, 14495816), (4, 7247908), (8, 3623954), (16, 1811977), (43, 674224), (86, 337112), (172, 168556), (344, 84278), (688, 42139)]