257936206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1571}}^1$

素因数の和:2040

約数の個数: 32

約数和(自身を含む): 448208640

約数和(自身を除く): 190272434

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 439, 878, 1571, 3142, 4829, 7463, 9658, 14926, 17281, 26707, 34562, 53414, 82093, 164186, 293777, 587554, 689669, 1379338, 7586359, 11724373, 15172718, 23448746, 128968103, 257936206]

約数ペア:

[(1, 257936206), (2, 128968103), (11, 23448746), (17, 15172718), (22, 11724373), (34, 7586359), (187, 1379338), (374, 689669), (439, 587554), (878, 293777), (1571, 164186), (3142, 82093), (4829, 53414), (7463, 34562), (9658, 26707), (14926, 17281)]