81163684

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{11279}}^1$

素因数の和:11547

約数の個数: 24

約数和(自身を含む): 162973440

約数和(自身を除く): 81809756

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 7196, 11279, 22558, 45116, 78953, 157906, 315812, 2898703, 5797406, 11594812, 20290921, 40581842, 81163684]

約数ペア:

[(1, 81163684), (2, 40581842), (4, 20290921), (7, 11594812), (14, 5797406), (28, 2898703), (257, 315812), (514, 157906), (1028, 78953), (1799, 45116), (3598, 22558), (7196, 11279)]