1980017116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6428627}}^1$

素因数の和:6428649

約数の個数: 24

約数和(自身を含む): 4320038016

約数和(自身を除く): 2340020900

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 6428627, 12857254, 25714508, 45000389, 70714897, 90000778, 141429794, 180001556, 282859588, 495004279, 990008558, 1980017116]

約数ペア:

[(1, 1980017116), (2, 990008558), (4, 495004279), (7, 282859588), (11, 180001556), (14, 141429794), (22, 90000778), (28, 70714897), (44, 45000389), (77, 25714508), (154, 12857254), (308, 6428627)]