81775508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{27967}}^1$

素因数の和:28031

約数の個数: 24

約数和(自身を含む): 155054592

約数和(自身を除く): 73279084

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 27967, 55934, 111868, 475439, 950878, 1202581, 1901756, 2405162, 4810324, 20443877, 40887754, 81775508]

約数ペア:

[(1, 81775508), (2, 40887754), (4, 20443877), (17, 4810324), (34, 2405162), (43, 1901756), (68, 1202581), (86, 950878), (172, 475439), (731, 111868), (1462, 55934), (2924, 27967)]