190784881

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 244270080

約数和(自身を除く): 53485199

約数列:

[1, 7, 29, 31, 49, 61, 71, 203, 217, 427, 497, 899, 1421, 1519, 1769, 1891, 2059, 2201, 2989, 3479, 4331, 6293, 12383, 13237, 14413, 15407, 30317, 44051, 54839, 63829, 86681, 92659, 100891, 107849, 125599, 134261, 212219, 383873, 446803, 879193, 939827, 2687111, 3127621, 3893569, 6154351, 6578789, 27254983, 190784881]

約数ペア:

[(1, 190784881), (7, 27254983), (29, 6578789), (31, 6154351), (49, 3893569), (61, 3127621), (71, 2687111), (203, 939827), (217, 879193), (427, 446803), (497, 383873), (899, 212219), (1421, 134261), (1519, 125599), (1769, 107849), (1891, 100891), (2059, 92659), (2201, 86681), (2989, 63829), (3479, 54839), (4331, 44051), (6293, 30317), (12383, 15407), (13237, 14413)]