2780684422655

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{1931}}^1\times {\mathrm{13723}}^1$

素因数の和:16367

約数の個数: 32

約数和(自身を含む): 3451586439168

約数和(自身を除く): 670902016513

約数列:

[1, 5, 31, 155, 677, 1931, 3385, 9655, 13723, 20987, 59861, 68615, 104935, 299305, 425413, 1307287, 2127065, 6536435, 9290471, 26499113, 40525897, 46452355, 132495565, 202629485, 288004601, 821472503, 1440023005, 4107362515, 17939899501, 89699497505, 556136884531, 2780684422655]

約数ペア:

[(1, 2780684422655), (5, 556136884531), (31, 89699497505), (155, 17939899501), (677, 4107362515), (1931, 1440023005), (3385, 821472503), (9655, 288004601), (13723, 202629485), (20987, 132495565), (59861, 46452355), (68615, 40525897), (104935, 26499113), (299305, 9290471), (425413, 6536435), (1307287, 2127065)]