1329779164

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{668903}}^1$

素因数の和:668985

約数の個数: 24

約数和(自身を含む): 2697020928

約数和(自身を除く): 1367241764

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 668903, 1337806, 2675612, 4682321, 9364642, 18729284, 47492113, 94984226, 189968452, 332444791, 664889582, 1329779164]

約数ペア:

[(1, 1329779164), (2, 664889582), (4, 332444791), (7, 189968452), (14, 94984226), (28, 47492113), (71, 18729284), (142, 9364642), (284, 4682321), (497, 2675612), (994, 1337806), (1988, 668903)]