28189819

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3511}}^1$

素因数の和:3586

約数の個数: 16

約数和(自身を含む): 34164736

約数和(自身を除く): 5974917

約数列:

[1, 7, 31, 37, 217, 259, 1147, 3511, 8029, 24577, 108841, 129907, 761887, 909349, 4027117, 28189819]

約数ペア:

[(1, 28189819), (7, 4027117), (31, 909349), (37, 761887), (217, 129907), (259, 108841), (1147, 24577), (3511, 8029)]