208920012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2487143}}^1$

素因数の和:2487157

約数の個数: 24

約数和(自身を含む): 557120256

約数和(自身を除く): 348200244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2487143, 4974286, 7461429, 9948572, 14922858, 17410001, 29845716, 34820002, 52230003, 69640004, 104460006, 208920012]

約数ペア:

[(1, 208920012), (2, 104460006), (3, 69640004), (4, 52230003), (6, 34820002), (7, 29845716), (12, 17410001), (14, 14922858), (21, 9948572), (28, 7461429), (42, 4974286), (84, 2487143)]