81712774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{285709}}^1$

素因数の和:285735

約数の個数: 16

約数和(自身を含む): 143997840

約数和(自身を除く): 62285066

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 285709, 571418, 3142799, 3714217, 6285598, 7428434, 40856387, 81712774]

約数ペア:

[(1, 81712774), (2, 40856387), (11, 7428434), (13, 6285598), (22, 3714217), (26, 3142799), (143, 571418), (286, 285709)]