67890319

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{1031}}^1$

素因数の和:1470

約数の個数: 16

約数和(自身を含む): 81239040

約数和(自身を除く): 13348721

約数列:

[1, 7, 23, 161, 409, 1031, 2863, 7217, 9407, 23713, 65849, 165991, 421679, 2951753, 9698617, 67890319]

約数ペア:

[(1, 67890319), (7, 9698617), (23, 2951753), (161, 421679), (409, 165991), (1031, 65849), (2863, 23713), (7217, 9407)]