81436615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{4523}}^1$

素因数の和:4818

約数の個数: 16

約数和(自身を含む): 105644448

約数和(自身を除く): 24207833

約数列:

[1, 5, 13, 65, 277, 1385, 3601, 4523, 18005, 22615, 58799, 293995, 1252871, 6264355, 16287323, 81436615]

約数ペア:

[(1, 81436615), (5, 16287323), (13, 6264355), (65, 1252871), (277, 293995), (1385, 58799), (3601, 22615), (4523, 18005)]