78427952

素因数分解:

$2^4\times {\mathrm{2207}}^1\times {\mathrm{2221}}^1$

素因数の和:4436

約数の個数: 20

約数和(自身を含む): 152091456

約数和(自身を除く): 73663504

約数列:

[1, 2, 4, 8, 16, 2207, 2221, 4414, 4442, 8828, 8884, 17656, 17768, 35312, 35536, 4901747, 9803494, 19606988, 39213976, 78427952]

約数ペア:

[(1, 78427952), (2, 39213976), (4, 19606988), (8, 9803494), (16, 4901747), (2207, 35536), (2221, 35312), (4414, 17768), (4442, 17656), (8828, 8884)]