397201916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1069}}^1\times {\mathrm{4889}}^1$

素因数の和:5981

約数の個数: 24

約数和(自身を含む): 732522000

約数和(自身を除く): 335320084

約数列:

[1, 2, 4, 19, 38, 76, 1069, 2138, 4276, 4889, 9778, 19556, 20311, 40622, 81244, 92891, 185782, 371564, 5226341, 10452682, 20905364, 99300479, 198600958, 397201916]

約数ペア:

[(1, 397201916), (2, 198600958), (4, 99300479), (19, 20905364), (38, 10452682), (76, 5226341), (1069, 371564), (2138, 185782), (4276, 92891), (4889, 81244), (9778, 40622), (19556, 20311)]