28257218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67601}}^1$

素因数の和:67633

約数の個数: 16

約数和(自身を含む): 48673440

約数和(自身を除く): 20416222

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 67601, 135202, 743611, 1284419, 1487222, 2568838, 14128609, 28257218]

約数ペア:

[(1, 28257218), (2, 14128609), (11, 2568838), (19, 1487222), (22, 1284419), (38, 743611), (209, 135202), (418, 67601)]