81704876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{16433}}^1$

素因数の和:16561

約数の個数: 24

約数和(自身を含む): 157371984

約数和(自身を除く): 75667108

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4972, 16433, 32866, 65732, 180763, 361526, 723052, 1856929, 3713858, 7427716, 20426219, 40852438, 81704876]

約数ペア:

[(1, 81704876), (2, 40852438), (4, 20426219), (11, 7427716), (22, 3713858), (44, 1856929), (113, 723052), (226, 361526), (452, 180763), (1243, 65732), (2486, 32866), (4972, 16433)]