324668825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{1409}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 434477400

約数和(自身を除く): 109808575

約数列:

[1, 5, 13, 25, 65, 325, 709, 1409, 3545, 7045, 9217, 17725, 18317, 35225, 46085, 91585, 230425, 457925, 998981, 4994905, 12986753, 24974525, 64933765, 324668825]

約数ペア:

[(1, 324668825), (5, 64933765), (13, 24974525), (25, 12986753), (65, 4994905), (325, 998981), (709, 457925), (1409, 230425), (3545, 91585), (7045, 46085), (9217, 35225), (17725, 18317)]