203438473

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 258785280

約数和(自身を除く): 55346807

約数列:

[1, 7, 17, 23, 119, 161, 239, 311, 391, 1673, 2177, 2737, 4063, 5287, 5497, 7153, 28441, 37009, 38479, 50071, 74329, 93449, 121601, 520303, 654143, 851207, 1263593, 1709567, 8845151, 11966969, 29062639, 203438473]

約数ペア:

[(1, 203438473), (7, 29062639), (17, 11966969), (23, 8845151), (119, 1709567), (161, 1263593), (239, 851207), (311, 654143), (391, 520303), (1673, 121601), (2177, 93449), (2737, 74329), (4063, 50071), (5287, 38479), (5497, 37009), (7153, 28441)]