2018906939

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 2384640000

約数和(自身を除く): 365733061

約数列:

[1, 7, 71, 137, 149, 199, 497, 959, 1043, 1393, 9727, 10579, 14129, 20413, 27263, 29651, 68089, 74053, 98903, 142891, 190841, 207557, 1449323, 1935673, 2105221, 4062187, 10145261, 13549711, 14736547, 28435309, 288415277, 2018906939]

約数ペア:

[(1, 2018906939), (7, 288415277), (71, 28435309), (137, 14736547), (149, 13549711), (199, 10145261), (497, 4062187), (959, 2105221), (1043, 1935673), (1393, 1449323), (9727, 207557), (10579, 190841), (14129, 142891), (20413, 98903), (27263, 74053), (29651, 68089)]