81254849

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 100356480

約数和(自身を除く): 19101631

約数列:

[1, 13, 17, 19, 37, 221, 247, 323, 481, 523, 629, 703, 4199, 6799, 8177, 8891, 9139, 9937, 11951, 19351, 115583, 129181, 155363, 168929, 251563, 328967, 367669, 2196077, 4276571, 4779697, 6250373, 81254849]

約数ペア:

[(1, 81254849), (13, 6250373), (17, 4779697), (19, 4276571), (37, 2196077), (221, 367669), (247, 328967), (323, 251563), (481, 168929), (523, 155363), (629, 129181), (703, 115583), (4199, 19351), (6799, 11951), (8177, 9937), (8891, 9139)]