280009015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17027}}^1$

素因数の和:17079

約数の個数: 32

約数和(自身を含む): 411941376

約数和(自身を除く): 131932361

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1495, 3289, 16445, 17027, 85135, 187297, 221351, 391621, 936485, 1106755, 1958105, 2434861, 4307831, 5091073, 12174305, 21539155, 25455365, 56001803, 280009015]

約数ペア:

[(1, 280009015), (5, 56001803), (11, 25455365), (13, 21539155), (23, 12174305), (55, 5091073), (65, 4307831), (115, 2434861), (143, 1958105), (253, 1106755), (299, 936485), (715, 391621), (1265, 221351), (1495, 187297), (3289, 85135), (16445, 17027)]