128923844

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{112303}}^1$

素因数の和:112355

約数の個数: 24

約数和(自身を含む): 264139008

約数和(自身を除く): 135215164

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 112303, 224606, 449212, 786121, 1572242, 3144484, 4604423, 9208846, 18417692, 32230961, 64461922, 128923844]

約数ペア:

[(1, 128923844), (2, 64461922), (4, 32230961), (7, 18417692), (14, 9208846), (28, 4604423), (41, 3144484), (82, 1572242), (164, 786121), (287, 449212), (574, 224606), (1148, 112303)]