81621641

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1049}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 90720000

約数和(自身を除く): 9098359

約数列:

[1, 17, 23, 199, 391, 1049, 3383, 4577, 17833, 24127, 77809, 208751, 410159, 3548767, 4801273, 81621641]

約数ペア:

[(1, 81621641), (17, 4801273), (23, 3548767), (199, 410159), (391, 208751), (1049, 77809), (3383, 24127), (4577, 17833)]