178163921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^2\times {\mathrm{71}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 202112064

約数和(自身を除く): 23948143

約数列:

[1, 13, 43, 67, 71, 559, 871, 923, 2881, 3053, 4489, 4757, 37453, 39689, 58357, 61841, 193027, 204551, 318719, 2509351, 2659163, 4143347, 13704917, 178163921]

約数ペア:

[(1, 178163921), (13, 13704917), (43, 4143347), (67, 2659163), (71, 2509351), (559, 318719), (871, 204551), (923, 193027), (2881, 61841), (3053, 58357), (4489, 39689), (4757, 37453)]