81561104

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{299857}}^1$

素因数の和:299882

約数の個数: 20

約数和(自身を含む): 167320764

約数和(自身を除く): 85759660

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 299857, 599714, 1199428, 2398856, 4797712, 5097569, 10195138, 20390276, 40780552, 81561104]

約数ペア:

[(1, 81561104), (2, 40780552), (4, 20390276), (8, 10195138), (16, 5097569), (17, 4797712), (34, 2398856), (68, 1199428), (136, 599714), (272, 299857)]