257831425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11549}}^1$

素因数の和:11625

約数の個数: 24

約数和(自身を含む): 343728000

約数和(自身を除く): 85896575

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 893, 1175, 4465, 11549, 22325, 57745, 219431, 288725, 542803, 1097155, 2714015, 5485775, 10313257, 13570075, 51566285, 257831425]

約数ペア:

[(1, 257831425), (5, 51566285), (19, 13570075), (25, 10313257), (47, 5485775), (95, 2714015), (235, 1097155), (475, 542803), (893, 288725), (1175, 219431), (4465, 57745), (11549, 22325)]