1680207814

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 2619993600

約数和(自身を除く): 939785786

約数列:

[1, 2, 37, 74, 139, 278, 379, 431, 758, 862, 5143, 10286, 14023, 15947, 28046, 31894, 52681, 59909, 105362, 119818, 163349, 326698, 1949197, 2216633, 3898394, 4433266, 6043913, 12087826, 22705511, 45411022, 840103907, 1680207814]

約数ペア:

[(1, 1680207814), (2, 840103907), (37, 45411022), (74, 22705511), (139, 12087826), (278, 6043913), (379, 4433266), (431, 3898394), (758, 2216633), (862, 1949197), (5143, 326698), (10286, 163349), (14023, 119818), (15947, 105362), (28046, 59909), (31894, 52681)]