66779699

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{10247}}^1$

素因数の和:10287

約数の個数: 16

約数和(自身を含む): 81984000

約数和(自身を除く): 15204301

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 10247, 71729, 194693, 502103, 1362851, 3514721, 9539957, 66779699]

約数ペア:

[(1, 66779699), (7, 9539957), (19, 3514721), (49, 1362851), (133, 502103), (343, 194693), (931, 71729), (6517, 10247)]