163945886

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{21089}}^1$

素因数の和:21140

約数の個数: 24

約数和(自身を含む): 277881840

約数和(自身を除く): 113935954

約数列:

[1, 2, 13, 23, 26, 46, 169, 299, 338, 598, 3887, 7774, 21089, 42178, 274157, 485047, 548314, 970094, 3564041, 6305611, 7128082, 12611222, 81972943, 163945886]

約数ペア:

[(1, 163945886), (2, 81972943), (13, 12611222), (23, 7128082), (26, 6305611), (46, 3564041), (169, 970094), (299, 548314), (338, 485047), (598, 274157), (3887, 42178), (7774, 21089)]