66665809

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4157}}^1$

素因数の和:4272

約数の個数: 16

約数和(自身を含む): 79833600

約数和(自身を除く): 13167791

約数列:

[1, 7, 29, 79, 203, 553, 2291, 4157, 16037, 29099, 120553, 328403, 843871, 2298821, 9523687, 66665809]

約数ペア:

[(1, 66665809), (7, 9523687), (29, 2298821), (79, 843871), (203, 328403), (553, 120553), (2291, 29099), (4157, 16037)]