1621972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 3128832

約数和(自身を除く): 1506860

約数列:

[1, 2, 4, 11, 22, 44, 191, 193, 382, 386, 764, 772, 2101, 2123, 4202, 4246, 8404, 8492, 36863, 73726, 147452, 405493, 810986, 1621972]

約数ペア:

[(1, 1621972), (2, 810986), (4, 405493), (11, 147452), (22, 73726), (44, 36863), (191, 8492), (193, 8404), (382, 4246), (386, 4202), (764, 2123), (772, 2101)]