87123784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{990043}}^1$

素因数の和:990060

約数の個数: 16

約数和(自身を含む): 178207920

約数和(自身を除く): 91084136

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 990043, 1980086, 3960172, 7920344, 10890473, 21780946, 43561892, 87123784]

約数ペア:

[(1, 87123784), (2, 43561892), (4, 21780946), (8, 10890473), (11, 7920344), (22, 3960172), (44, 1980086), (88, 990043)]