81538886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{285101}}^1$

素因数の和:285127

約数の個数: 16

約数和(自身を含む): 143691408

約数和(自身を除く): 62152522

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 285101, 570202, 3136111, 3706313, 6272222, 7412626, 40769443, 81538886]

約数ペア:

[(1, 81538886), (2, 40769443), (11, 7412626), (13, 6272222), (22, 3706313), (26, 3136111), (143, 570202), (286, 285101)]