211837829

素因数分解:

$7^4\times {\mathrm{83}}^1\times {\mathrm{1063}}^1$

素因数の和:1174

約数の個数: 20

約数和(自身を含む): 250342176

約数和(自身を除く): 38504347

約数列:

[1, 7, 49, 83, 343, 581, 1063, 2401, 4067, 7441, 28469, 52087, 88229, 199283, 364609, 617603, 2552263, 4323221, 30262547, 211837829]

約数ペア:

[(1, 211837829), (7, 30262547), (49, 4323221), (83, 2552263), (343, 617603), (581, 364609), (1063, 199283), (2401, 88229), (4067, 52087), (7441, 28469)]