68787745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{24611}}^1$

素因数の和:24672

約数の個数: 16

約数和(自身を含む): 90965952

約数和(自身を除く): 22178207

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 24611, 123055, 319943, 1058273, 1599715, 5291365, 13757549, 68787745]

約数ペア:

[(1, 68787745), (5, 13757549), (13, 5291365), (43, 1599715), (65, 1058273), (215, 319943), (559, 123055), (2795, 24611)]