28550977

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 37856000

約数和(自身を除く): 9305023

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 337, 343, 637, 931, 1729, 2359, 4381, 4459, 6403, 6517, 12103, 16513, 30667, 44821, 83239, 84721, 115591, 214669, 313747, 582673, 1502683, 2196229, 4078711, 28550977]

約数ペア:

[(1, 28550977), (7, 4078711), (13, 2196229), (19, 1502683), (49, 582673), (91, 313747), (133, 214669), (247, 115591), (337, 84721), (343, 83239), (637, 44821), (931, 30667), (1729, 16513), (2359, 12103), (4381, 6517), (4459, 6403)]