397164019

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{26801}}^1$

素因数の和:26910

約数の個数: 16

約数和(自身を含む): 476003520

約数和(自身を除く): 78839501

約数列:

[1, 7, 29, 73, 203, 511, 2117, 14819, 26801, 187607, 777229, 1956473, 5440603, 13695311, 56737717, 397164019]

約数ペア:

[(1, 397164019), (7, 56737717), (29, 13695311), (73, 5440603), (203, 1956473), (511, 777229), (2117, 187607), (14819, 26801)]