2007931457

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{113513}}^1$

素因数の和:113565

約数の個数: 18

約数和(自身を含む): 2465183538

約数和(自身を除く): 457252081

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 17689, 113513, 794591, 2156747, 5562137, 15097229, 40978193, 105680603, 286847351, 2007931457]

約数ペア:

[(1, 2007931457), (7, 286847351), (19, 105680603), (49, 40978193), (133, 15097229), (361, 5562137), (931, 2156747), (2527, 794591), (17689, 113513)]