858673543

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 1073479680

約数和(自身を除く): 214806137

約数列:

[1, 7, 13, 91, 127, 191, 389, 889, 1337, 1651, 2483, 2723, 5057, 11557, 17381, 24257, 35399, 49403, 74299, 169799, 315341, 345821, 520093, 642239, 965887, 2207387, 4495673, 6761209, 9435973, 66051811, 122667649, 858673543]

約数ペア:

[(1, 858673543), (7, 122667649), (13, 66051811), (91, 9435973), (127, 6761209), (191, 4495673), (389, 2207387), (889, 965887), (1337, 642239), (1651, 520093), (2483, 345821), (2723, 315341), (5057, 169799), (11557, 74299), (17381, 49403), (24257, 35399)]