2180717

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 2752512

約数和(自身を除く): 571795

約数列:

[1, 7, 11, 77, 127, 223, 889, 1397, 1561, 2453, 9779, 17171, 28321, 198247, 311531, 2180717]

約数ペア:

[(1, 2180717), (7, 311531), (11, 198247), (77, 28321), (127, 17171), (223, 9779), (889, 2453), (1397, 1561)]