858431231

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{123997}}^1$

素因数の和:124070

約数の個数: 16

約数和(自身を含む): 1047535104

約数和(自身を除く): 189103873

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 123997, 867979, 2851931, 5331871, 19963517, 37323097, 122633033, 858431231]

約数ペア:

[(1, 858431231), (7, 122633033), (23, 37323097), (43, 19963517), (161, 5331871), (301, 2851931), (989, 867979), (6923, 123997)]