261407258

素因数分解:

$2^1\times 7^2\times {\mathrm{1201}}^1\times {\mathrm{2221}}^1$

素因数の和:3438

約数の個数: 24

約数和(自身を含む): 456714324

約数和(自身を除く): 195307066

約数列:

[1, 2, 7, 14, 49, 98, 1201, 2221, 2402, 4442, 8407, 15547, 16814, 31094, 58849, 108829, 117698, 217658, 2667421, 5334842, 18671947, 37343894, 130703629, 261407258]

約数ペア:

[(1, 261407258), (2, 130703629), (7, 37343894), (14, 18671947), (49, 5334842), (98, 2667421), (1201, 217658), (2221, 117698), (2402, 108829), (4442, 58849), (8407, 31094), (15547, 16814)]