81620924

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{265003}}^1$

素因数の和:265025

約数の個数: 24

約数和(自身を含む): 178082688

約数和(自身を除く): 96461764

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 265003, 530006, 1060012, 1855021, 2915033, 3710042, 5830066, 7420084, 11660132, 20405231, 40810462, 81620924]

約数ペア:

[(1, 81620924), (2, 40810462), (4, 20405231), (7, 11660132), (11, 7420084), (14, 5830066), (22, 3710042), (28, 2915033), (44, 1855021), (77, 1060012), (154, 530006), (308, 265003)]