2456551211

素因数分解:

${\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 2643896160

約数和(自身を除く): 187344949

約数列:

[1, 19, 89, 157, 361, 487, 1691, 2983, 9253, 13973, 32129, 43343, 56677, 76459, 175807, 265487, 823517, 1452721, 5044253, 6804851, 15646823, 27601699, 129292169, 2456551211]

約数ペア:

[(1, 2456551211), (19, 129292169), (89, 27601699), (157, 15646823), (361, 6804851), (487, 5044253), (1691, 1452721), (2983, 823517), (9253, 265487), (13973, 175807), (32129, 76459), (43343, 56677)]