820121208

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{3041}}^1$

素因数の和:3728

約数の個数: 64

約数和(自身を含む): 2174908320

約数和(自身を除く): 1354787112

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 661, 1322, 1983, 2644, 3041, 3966, 5288, 6082, 7932, 9123, 11237, 12164, 15864, 18246, 22474, 24328, 33711, 36492, 44948, 51697, 67422, 72984, 89896, 103394, 134844, 155091, 206788, 269688, 310182, 413576, 620364, 1240728, 2010101, 4020202, 6030303, 8040404, 12060606, 16080808, 24121212, 34171717, 48242424, 68343434, 102515151, 136686868, 205030302, 273373736, 410060604, 820121208]

約数ペア:

[(1, 820121208), (2, 410060604), (3, 273373736), (4, 205030302), (6, 136686868), (8, 102515151), (12, 68343434), (17, 48242424), (24, 34171717), (34, 24121212), (51, 16080808), (68, 12060606), (102, 8040404), (136, 6030303), (204, 4020202), (408, 2010101), (661, 1240728), (1322, 620364), (1983, 413576), (2644, 310182), (3041, 269688), (3966, 206788), (5288, 155091), (6082, 134844), (7932, 103394), (9123, 89896), (11237, 72984), (12164, 67422), (15864, 51697), (18246, 44948), (22474, 36492), (24328, 33711)]