81399065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{31489}}^1$

素因数の和:31552

約数の個数: 16

約数和(自身を含む): 108829440

約数和(自身を除く): 27430375

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 31489, 157445, 346379, 1479983, 1731895, 7399915, 16279813, 81399065]

約数ペア:

[(1, 81399065), (5, 16279813), (11, 7399915), (47, 1731895), (55, 1479983), (235, 346379), (517, 157445), (2585, 31489)]