778839341

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^2$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 934577280

約数和(自身を除く): 155737939

約数列:

[1, 7, 29, 103, 193, 203, 721, 1351, 2987, 5597, 19879, 20909, 37249, 39179, 139153, 260743, 576491, 1080221, 3836647, 4035437, 7561547, 26856529, 111262763, 778839341]

約数ペア:

[(1, 778839341), (7, 111262763), (29, 26856529), (103, 7561547), (193, 4035437), (203, 3836647), (721, 1080221), (1351, 576491), (2987, 260743), (5597, 139153), (19879, 39179), (20909, 37249)]