81974172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{975883}}^1$

素因数の和:975897

約数の個数: 24

約数和(自身を含む): 218598016

約数和(自身を除く): 136623844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 975883, 1951766, 2927649, 3903532, 5855298, 6831181, 11710596, 13662362, 20493543, 27324724, 40987086, 81974172]

約数ペア:

[(1, 81974172), (2, 40987086), (3, 27324724), (4, 20493543), (6, 13662362), (7, 11710596), (12, 6831181), (14, 5855298), (21, 3903532), (28, 2927649), (42, 1951766), (84, 975883)]