31786391

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15187}}^1$

素因数の和:15230

約数の個数: 16

約数和(自身を含む): 40825344

約数和(自身を除く): 9038953

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 15187, 106309, 197431, 349301, 1382017, 2445107, 4540913, 31786391]

約数ペア:

[(1, 31786391), (7, 4540913), (13, 2445107), (23, 1382017), (91, 349301), (161, 197431), (299, 106309), (2093, 15187)]