218991206

素因数分解:

$2^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{20341}}^1$

素因数の和:21119

約数の個数: 16

約数和(自身を含む): 375920160

約数和(自身を除く): 156928954

約数列:

[1, 2, 7, 14, 769, 1538, 5383, 10766, 20341, 40682, 142387, 284774, 15642229, 31284458, 109495603, 218991206]

約数ペア:

[(1, 218991206), (2, 109495603), (7, 31284458), (14, 15642229), (769, 284774), (1538, 142387), (5383, 40682), (10766, 20341)]