201891907

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{499}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 246240000

約数和(自身を除く): 44348093

約数列:

[1, 7, 23, 49, 161, 359, 499, 1127, 2513, 3493, 8257, 11477, 17591, 24451, 57799, 80339, 179141, 404593, 562373, 1253987, 4120243, 8777909, 28841701, 201891907]

約数ペア:

[(1, 201891907), (7, 28841701), (23, 8777909), (49, 4120243), (161, 1253987), (359, 562373), (499, 404593), (1127, 179141), (2513, 80339), (3493, 57799), (8257, 24451), (11477, 17591)]