212331377

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 244747008

約数和(自身を除く): 32415631

約数列:

[1, 17, 23, 43, 73, 173, 391, 731, 989, 1241, 1679, 2941, 3139, 3979, 7439, 12629, 16813, 28543, 53363, 67643, 72197, 126463, 171097, 214693, 290467, 543047, 1227349, 2908649, 4937939, 9231799, 12490081, 212331377]

約数ペア:

[(1, 212331377), (17, 12490081), (23, 9231799), (43, 4937939), (73, 2908649), (173, 1227349), (391, 543047), (731, 290467), (989, 214693), (1241, 171097), (1679, 126463), (2941, 72197), (3139, 67643), (3979, 53363), (7439, 28543), (12629, 16813)]