80890002

素因数分解:

$2^1\times 3^4\times {\mathrm{499321}}^1$

素因数の和:499335

約数の個数: 20

約数和(自身を含む): 181253886

約数和(自身を除く): 100363884

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 499321, 998642, 1497963, 2995926, 4493889, 8987778, 13481667, 26963334, 40445001, 80890002]

約数ペア:

[(1, 80890002), (2, 40445001), (3, 26963334), (6, 13481667), (9, 8987778), (18, 4493889), (27, 2995926), (54, 1497963), (81, 998642), (162, 499321)]