1980620884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{2081}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 3839141376

約数和(自身を除く): 1858520492

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 223, 388, 446, 892, 1067, 2081, 2134, 2453, 4162, 4268, 4906, 8324, 9812, 21631, 22891, 43262, 45782, 86524, 91564, 201857, 237941, 403714, 464063, 475882, 807428, 928126, 951764, 1856252, 2220427, 4440854, 5104693, 8881708, 10209386, 20418772, 45014111, 90028222, 180056444, 495155221, 990310442, 1980620884]

約数ペア:

[(1, 1980620884), (2, 990310442), (4, 495155221), (11, 180056444), (22, 90028222), (44, 45014111), (97, 20418772), (194, 10209386), (223, 8881708), (388, 5104693), (446, 4440854), (892, 2220427), (1067, 1856252), (2081, 951764), (2134, 928126), (2453, 807428), (4162, 475882), (4268, 464063), (4906, 403714), (8324, 237941), (9812, 201857), (21631, 91564), (22891, 86524), (43262, 45782)]