641750255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{3187}}^1$

素因数の和:3335

約数の個数: 32

約数和(自身を含む): 859382784

約数和(自身を除く): 217632529

約数列:

[1, 5, 17, 23, 85, 103, 115, 391, 515, 1751, 1955, 2369, 3187, 8755, 11845, 15935, 40273, 54179, 73301, 201365, 270895, 328261, 366505, 1246117, 1641305, 5580437, 6230585, 7550003, 27902185, 37750015, 128350051, 641750255]

約数ペア:

[(1, 641750255), (5, 128350051), (17, 37750015), (23, 27902185), (85, 7550003), (103, 6230585), (115, 5580437), (391, 1641305), (515, 1246117), (1751, 366505), (1955, 328261), (2369, 270895), (3187, 201365), (8755, 73301), (11845, 54179), (15935, 40273)]