71289517

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1979}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 81829440

約数和(自身を除く): 10539923

約数列:

[1, 13, 17, 163, 221, 1979, 2119, 2771, 25727, 33643, 36023, 322577, 437359, 4193501, 5483809, 71289517]

約数ペア:

[(1, 71289517), (13, 5483809), (17, 4193501), (163, 437359), (221, 322577), (1979, 36023), (2119, 33643), (2771, 25727)]