28961530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17137}}^1$

素因数の和:17170

約数の個数: 24

約数和(自身を含む): 56452572

約数和(自身を除く): 27491042

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 17137, 34274, 85685, 171370, 222781, 445562, 1113905, 2227810, 2896153, 5792306, 14480765, 28961530]

約数ペア:

[(1, 28961530), (2, 14480765), (5, 5792306), (10, 2896153), (13, 2227810), (26, 1113905), (65, 445562), (130, 222781), (169, 171370), (338, 85685), (845, 34274), (1690, 17137)]