28297310

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21601}}^1$

素因数の和:21739

約数の個数: 16

約数和(自身を含む): 51326352

約数和(自身を除く): 23029042

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 21601, 43202, 108005, 216010, 2829731, 5659462, 14148655, 28297310]

約数ペア:

[(1, 28297310), (2, 14148655), (5, 5659462), (10, 2829731), (131, 216010), (262, 108005), (655, 43202), (1310, 21601)]