81386669

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{11321}}^1$

素因数の和:11420

約数の個数: 16

約数和(自身を含む): 101445120

約数和(自身を除く): 20058451

約数列:

[1, 7, 13, 79, 91, 553, 1027, 7189, 11321, 79247, 147173, 894359, 1030211, 6260513, 11626667, 81386669]

約数ペア:

[(1, 81386669), (7, 11626667), (13, 6260513), (79, 1030211), (91, 894359), (553, 147173), (1027, 79247), (7189, 11321)]