64016463217

素因数分解:

$7^4\times {\mathrm{71}}^1\times {\mathrm{375527}}^1$

素因数の和:375626

約数の個数: 20

約数和(自身を含む): 75733482816

約数和(自身を除く): 11717019599

約数列:

[1, 7, 49, 71, 343, 497, 2401, 3479, 24353, 170471, 375527, 2628689, 18400823, 26662417, 128805761, 186636919, 901640327, 1306458433, 9145209031, 64016463217]

約数ペア:

[(1, 64016463217), (7, 9145209031), (49, 1306458433), (71, 901640327), (343, 186636919), (497, 128805761), (2401, 26662417), (3479, 18400823), (24353, 2628689), (170471, 375527)]