87678910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19441}}^1$

素因数の和:19500

約数の個数: 32

約数和(自身を含む): 176377824

約数和(自身を除く): 88698914

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 19441, 38882, 97205, 194410, 213851, 427702, 797081, 1069255, 1594162, 2138510, 3985405, 7970810, 8767891, 17535782, 43839455, 87678910]

約数ペア:

[(1, 87678910), (2, 43839455), (5, 17535782), (10, 8767891), (11, 7970810), (22, 3985405), (41, 2138510), (55, 1594162), (82, 1069255), (110, 797081), (205, 427702), (410, 213851), (451, 194410), (902, 97205), (2255, 38882), (4510, 19441)]