28431235

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9787}}^1$

素因数の和:9882

約数の個数: 16

約数和(自身を含む): 39465216

約数和(自身を除く): 11033981

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 9787, 48935, 68509, 342545, 812321, 4061605, 5686247, 28431235]

約数ペア:

[(1, 28431235), (5, 5686247), (7, 4061605), (35, 812321), (83, 342545), (415, 68509), (581, 48935), (2905, 9787)]