13138864

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{2111}}^1$

素因数の和:2508

約数の個数: 20

約数和(自身を含む): 25534080

約数和(自身を除く): 12395216

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 2111, 3112, 4222, 6224, 8444, 16888, 33776, 821179, 1642358, 3284716, 6569432, 13138864]

約数ペア:

[(1, 13138864), (2, 6569432), (4, 3284716), (8, 1642358), (16, 821179), (389, 33776), (778, 16888), (1556, 8444), (2111, 6224), (3112, 4222)]