157220947

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{2111}}^1$

素因数の和:2478

約数の個数: 16

約数和(自身を含む): 179891712

約数和(自身を除く): 22670765

約数列:

[1, 13, 17, 221, 337, 2111, 4381, 5729, 27443, 35887, 74477, 466531, 711407, 9248291, 12093919, 157220947]

約数ペア:

[(1, 157220947), (13, 12093919), (17, 9248291), (221, 711407), (337, 466531), (2111, 74477), (4381, 35887), (5729, 27443)]