1520236417

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{39827}}^1$

素因数の和:39901

約数の個数: 24

約数和(自身を含む): 1906964640

約数和(自身を除く): 386728223

約数列:

[1, 7, 19, 41, 49, 133, 287, 779, 931, 2009, 5453, 38171, 39827, 278789, 756713, 1632907, 1951523, 5296991, 11430349, 31025233, 37078937, 80012443, 217176631, 1520236417]

約数ペア:

[(1, 1520236417), (7, 217176631), (19, 80012443), (41, 37078937), (49, 31025233), (133, 11430349), (287, 5296991), (779, 1951523), (931, 1632907), (2009, 756713), (5453, 278789), (38171, 39827)]