1980212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 3776136

約数和(自身を除く): 1795924

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 337, 452, 674, 1348, 1469, 2938, 4381, 5876, 8762, 17524, 38081, 76162, 152324, 495053, 990106, 1980212]

約数ペア:

[(1, 1980212), (2, 990106), (4, 495053), (13, 152324), (26, 76162), (52, 38081), (113, 17524), (226, 8762), (337, 5876), (452, 4381), (674, 2938), (1348, 1469)]