78666721

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{827}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 91570176

約数和(自身を除く): 12903455

約数列:

[1, 7, 107, 127, 749, 827, 889, 5789, 13589, 88489, 95123, 105029, 619423, 735203, 11238103, 78666721]

約数ペア:

[(1, 78666721), (7, 11238103), (107, 735203), (127, 619423), (749, 105029), (827, 95123), (889, 88489), (5789, 13589)]