257506413

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1\times {\mathrm{3187}}^1$

素因数の和:4384

約数の個数: 16

約数和(自身を含む): 358688256

約数和(自身を除く): 101181843

約数列:

[1, 3, 23, 69, 1171, 3187, 3513, 9561, 26933, 73301, 80799, 219903, 3731977, 11195931, 85835471, 257506413]

約数ペア:

[(1, 257506413), (3, 85835471), (23, 11195931), (69, 3731977), (1171, 219903), (3187, 80799), (3513, 73301), (9561, 26933)]