66320639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{1319}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 82874880

約数和(自身を除く): 16554241

約数列:

[1, 7, 11, 77, 653, 1319, 4571, 7183, 9233, 14509, 50281, 101563, 861307, 6029149, 9474377, 66320639]

約数ペア:

[(1, 66320639), (7, 9474377), (11, 6029149), (77, 861307), (653, 101563), (1319, 50281), (4571, 14509), (7183, 9233)]