81764486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1\times {\mathrm{2087}}^1$

素因数の和:3139

約数の個数: 16

約数和(自身を含む): 129288960

約数和(自身を除く): 47524474

約数列:

[1, 2, 19, 38, 1031, 2062, 2087, 4174, 19589, 39178, 39653, 79306, 2151697, 4303394, 40882243, 81764486]

約数ペア:

[(1, 81764486), (2, 40882243), (19, 4303394), (38, 2151697), (1031, 79306), (2062, 39653), (2087, 39178), (4174, 19589)]