68888885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{2459}}^1$

素因数の和:2908

約数の個数: 16

約数和(自身を含む): 89268480

約数和(自身を除く): 20379595

約数列:

[1, 5, 13, 65, 431, 2155, 2459, 5603, 12295, 28015, 31967, 159835, 1059829, 5299145, 13777777, 68888885]

約数ペア:

[(1, 68888885), (5, 13777777), (13, 5299145), (65, 1059829), (431, 159835), (2155, 31967), (2459, 28015), (5603, 12295)]