1305987844

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{335557}}^1$

素因数の和:335707

約数の個数: 24

約数和(自身を含む): 2630774720

約数和(自身を除く): 1324786876

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 335557, 671114, 1342228, 2348899, 4697798, 9395596, 46642423, 93284846, 186569692, 326496961, 652993922, 1305987844]

約数ペア:

[(1, 1305987844), (2, 652993922), (4, 326496961), (7, 186569692), (14, 93284846), (28, 46642423), (139, 9395596), (278, 4697798), (556, 2348899), (973, 1342228), (1946, 671114), (3892, 335557)]