859216

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:738

約数の個数: 20

約数和(自身を含む): 1687392

約数和(自身を除く): 828176

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 647, 664, 1294, 1328, 2588, 5176, 10352, 53701, 107402, 214804, 429608, 859216]

約数ペア:

[(1, 859216), (2, 429608), (4, 214804), (8, 107402), (16, 53701), (83, 10352), (166, 5176), (332, 2588), (647, 1328), (664, 1294)]