520080262

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{643}}^1\times {\mathrm{2393}}^1$

素因数の和:3064

約数の個数: 24

約数和(自身を含む): 846413064

約数和(自身を除く): 326332802

約数列:

[1, 2, 13, 26, 169, 338, 643, 1286, 2393, 4786, 8359, 16718, 31109, 62218, 108667, 217334, 404417, 808834, 1538699, 3077398, 20003087, 40006174, 260040131, 520080262]

約数ペア:

[(1, 520080262), (2, 260040131), (13, 40006174), (26, 20003087), (169, 3077398), (338, 1538699), (643, 808834), (1286, 404417), (2393, 217334), (4786, 108667), (8359, 62218), (16718, 31109)]