28440728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{209123}}^1$

素因数の和:209146

約数の個数: 16

約数和(自身を含む): 56463480

約数和(自身を除く): 28022752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 209123, 418246, 836492, 1672984, 3555091, 7110182, 14220364, 28440728]

約数ペア:

[(1, 28440728), (2, 14220364), (4, 7110182), (8, 3555091), (17, 1672984), (34, 836492), (68, 418246), (136, 209123)]