16656991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 20684160

約数和(自身を除く): 4027169

約数列:

[1, 13, 17, 23, 29, 113, 221, 299, 377, 391, 493, 667, 1469, 1921, 2599, 3277, 5083, 6409, 8671, 11339, 24973, 33787, 42601, 44183, 55709, 75371, 147407, 574379, 724217, 979823, 1281307, 16656991]

約数ペア:

[(1, 16656991), (13, 1281307), (17, 979823), (23, 724217), (29, 574379), (113, 147407), (221, 75371), (299, 55709), (377, 44183), (391, 42601), (493, 33787), (667, 24973), (1469, 11339), (1921, 8671), (2599, 6409), (3277, 5083)]