1270854145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{745369}}^1$

素因数の和:745416

約数の個数: 16

約数和(自身を含む): 1717332480

約数和(自身を除く): 446478335

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 745369, 3726845, 8199059, 23106439, 40995295, 115532195, 254170829, 1270854145]

約数ペア:

[(1, 1270854145), (5, 254170829), (11, 115532195), (31, 40995295), (55, 23106439), (155, 8199059), (341, 3726845), (1705, 745369)]