664980095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{276499}}^1$

素因数の和:276554

約数の個数: 16

約数和(自身を含む): 882588000

約数和(自身を除く): 217607905

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 276499, 1382495, 3594487, 10230463, 17972435, 51152315, 132996019, 664980095]

約数ペア:

[(1, 664980095), (5, 132996019), (13, 51152315), (37, 17972435), (65, 10230463), (185, 3594487), (481, 1382495), (2405, 276499)]