400688642

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{33997}}^1$

素因数の和:34153

約数の個数: 16

約数和(自身を含む): 616859712

約数和(自身を除く): 216171070

約数列:

[1, 2, 71, 83, 142, 166, 5893, 11786, 33997, 67994, 2413787, 2821751, 4827574, 5643502, 200344321, 400688642]

約数ペア:

[(1, 400688642), (2, 200344321), (71, 5643502), (83, 4827574), (142, 2821751), (166, 2413787), (5893, 67994), (11786, 33997)]