28565168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{105019}}^1$

素因数の和:105044

約数の個数: 20

約数和(自身を含む): 58601160

約数和(自身を除く): 30035992

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 105019, 210038, 420076, 840152, 1680304, 1785323, 3570646, 7141292, 14282584, 28565168]

約数ペア:

[(1, 28565168), (2, 14282584), (4, 7141292), (8, 3570646), (16, 1785323), (17, 1680304), (34, 840152), (68, 420076), (136, 210038), (272, 105019)]