28187404

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21419}}^1$

素因数の和:21477

約数の個数: 24

約数和(自身を含む): 57576960

約数和(自身を除く): 29389556

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 21419, 42838, 85676, 149933, 299866, 599732, 1006693, 2013386, 4026772, 7046851, 14093702, 28187404]

約数ペア:

[(1, 28187404), (2, 14093702), (4, 7046851), (7, 4026772), (14, 2013386), (28, 1006693), (47, 599732), (94, 299866), (188, 149933), (329, 85676), (658, 42838), (1316, 21419)]