217856738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{2381}}^1\times {\mathrm{4159}}^1$

素因数の和:6553

約数の個数: 16

約数和(自身を含む): 356728320

約数和(自身を除く): 138871582

約数列:

[1, 2, 11, 22, 2381, 4159, 4762, 8318, 26191, 45749, 52382, 91498, 9902579, 19805158, 108928369, 217856738]

約数ペア:

[(1, 217856738), (2, 108928369), (11, 19805158), (22, 9902579), (2381, 91498), (4159, 52382), (4762, 45749), (8318, 26191)]