64691390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{340481}}^1$

素因数の和:340507

約数の個数: 16

約数和(自身を含む): 122573520

約数和(自身を除く): 57882130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 340481, 680962, 1702405, 3404810, 6469139, 12938278, 32345695, 64691390]

約数ペア:

[(1, 64691390), (2, 32345695), (5, 12938278), (10, 6469139), (19, 3404810), (38, 1702405), (95, 680962), (190, 340481)]