258045176

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{21319}}^1$

素因数の和:21431

約数の個数: 32

約数和(自身を含む): 518076000

約数和(自身を除く): 260030824

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 356, 712, 1513, 3026, 6052, 12104, 21319, 42638, 85276, 170552, 362423, 724846, 1449692, 1897391, 2899384, 3794782, 7589564, 15179128, 32255647, 64511294, 129022588, 258045176]

約数ペア:

[(1, 258045176), (2, 129022588), (4, 64511294), (8, 32255647), (17, 15179128), (34, 7589564), (68, 3794782), (89, 2899384), (136, 1897391), (178, 1449692), (356, 724846), (712, 362423), (1513, 170552), (3026, 85276), (6052, 42638), (12104, 21319)]