138597508

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{67807}}^1$

素因数の和:67891

約数の個数: 24

約数和(自身を含む): 280996352

約数和(自身を除く): 142398844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 67807, 135614, 271228, 474649, 949298, 1898596, 4949911, 9899822, 19799644, 34649377, 69298754, 138597508]

約数ペア:

[(1, 138597508), (2, 69298754), (4, 34649377), (7, 19799644), (14, 9899822), (28, 4949911), (73, 1898596), (146, 949298), (292, 474649), (511, 271228), (1022, 135614), (2044, 67807)]