80890714

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{563}}^1$

素因数の和:802

約数の個数: 24

約数和(自身を含む): 128930400

約数和(自身を除く): 48039686

約数列:

[1, 2, 19, 38, 199, 361, 398, 563, 722, 1126, 3781, 7562, 10697, 21394, 71839, 112037, 143678, 203243, 224074, 406486, 2128703, 4257406, 40445357, 80890714]

約数ペア:

[(1, 80890714), (2, 40445357), (19, 4257406), (38, 2128703), (199, 406486), (361, 224074), (398, 203243), (563, 143678), (722, 112037), (1126, 71839), (3781, 21394), (7562, 10697)]