2720221768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{77863}}^1$

素因数の和:78277

約数の個数: 32

約数和(自身を含む): 5578176960

約数和(自身を除く): 2857955192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 397, 794, 1588, 3176, 4367, 8734, 17468, 34936, 77863, 155726, 311452, 622904, 856493, 1712986, 3425972, 6851944, 30911611, 61823222, 123646444, 247292888, 340027721, 680055442, 1360110884, 2720221768]

約数ペア:

[(1, 2720221768), (2, 1360110884), (4, 680055442), (8, 340027721), (11, 247292888), (22, 123646444), (44, 61823222), (88, 30911611), (397, 6851944), (794, 3425972), (1588, 1712986), (3176, 856493), (4367, 622904), (8734, 311452), (17468, 155726), (34936, 77863)]