12587939

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 16773120

約数和(自身を除く): 4185181

約数列:

[1, 7, 13, 17, 79, 91, 103, 119, 221, 553, 721, 1027, 1339, 1343, 1547, 1751, 7189, 8137, 9373, 9401, 12257, 17459, 22763, 56959, 105781, 122213, 138329, 159341, 740467, 968303, 1798277, 12587939]

約数ペア:

[(1, 12587939), (7, 1798277), (13, 968303), (17, 740467), (79, 159341), (91, 138329), (103, 122213), (119, 105781), (221, 56959), (553, 22763), (721, 17459), (1027, 12257), (1339, 9401), (1343, 9373), (1547, 8137), (1751, 7189)]