28571686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{99901}}^1$

素因数の和:99927

約数の個数: 16

約数和(自身を含む): 50350608

約数和(自身を除く): 21778922

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 99901, 199802, 1098911, 1298713, 2197822, 2597426, 14285843, 28571686]

約数ペア:

[(1, 28571686), (2, 14285843), (11, 2597426), (13, 2197822), (22, 1298713), (26, 1098911), (143, 199802), (286, 99901)]