12874015

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 20831904

約数和(自身を除く): 7957889

約数列:

[1, 5, 7, 11, 17, 35, 49, 55, 77, 85, 119, 187, 245, 281, 385, 539, 595, 833, 935, 1309, 1405, 1967, 2695, 3091, 4165, 4777, 6545, 9163, 9835, 13769, 15455, 21637, 23885, 33439, 45815, 52547, 68845, 108185, 151459, 167195, 234073, 262735, 367829, 757295, 1170365, 1839145, 2574803, 12874015]

約数ペア:

[(1, 12874015), (5, 2574803), (7, 1839145), (11, 1170365), (17, 757295), (35, 367829), (49, 262735), (55, 234073), (77, 167195), (85, 151459), (119, 108185), (187, 68845), (245, 52547), (281, 45815), (385, 33439), (539, 23885), (595, 21637), (833, 15455), (935, 13769), (1309, 9835), (1405, 9163), (1967, 6545), (2695, 4777), (3091, 4165)]