664835165

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1\times {\mathrm{3373}}^1$

素因数の和:3956

約数の個数: 16

約数和(自身を含む): 809760000

約数和(自身を除く): 144924835

約数列:

[1, 5, 79, 395, 499, 2495, 3373, 16865, 39421, 197105, 266467, 1332335, 1683127, 8415635, 132967033, 664835165]

約数ペア:

[(1, 664835165), (5, 132967033), (79, 8415635), (395, 1683127), (499, 1332335), (2495, 266467), (3373, 197105), (16865, 39421)]