71748656

素因数分解:

$2^4\times 7^1\times {\mathrm{640613}}^1$

素因数の和:640628

約数の個数: 20

約数和(自身を含む): 158872272

約数和(自身を除く): 87123616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 640613, 1281226, 2562452, 4484291, 5124904, 8968582, 10249808, 17937164, 35874328, 71748656]

約数ペア:

[(1, 71748656), (2, 35874328), (4, 17937164), (7, 10249808), (8, 8968582), (14, 5124904), (16, 4484291), (28, 2562452), (56, 1281226), (112, 640613)]