217988816

素因数分解:

$2^4\times {\mathrm{1061}}^1\times {\mathrm{12841}}^1$

素因数の和:13910

約数の個数: 20

約数和(自身を含む): 422784324

約数和(自身を除く): 204795508

約数列:

[1, 2, 4, 8, 16, 1061, 2122, 4244, 8488, 12841, 16976, 25682, 51364, 102728, 205456, 13624301, 27248602, 54497204, 108994408, 217988816]

約数ペア:

[(1, 217988816), (2, 108994408), (4, 54497204), (8, 27248602), (16, 13624301), (1061, 205456), (2122, 102728), (4244, 51364), (8488, 25682), (12841, 16976)]