209126885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1223}}^1\times {\mathrm{3109}}^1$

素因数の和:4348

約数の個数: 16

約数和(自身を含む): 274078080

約数和(自身を除く): 64951195

約数列:

[1, 5, 11, 55, 1223, 3109, 6115, 13453, 15545, 34199, 67265, 170995, 3802307, 19011535, 41825377, 209126885]

約数ペア:

[(1, 209126885), (5, 41825377), (11, 19011535), (55, 3802307), (1223, 170995), (3109, 67265), (6115, 34199), (13453, 15545)]