238777721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{7309}}^1$

素因数の和:7688

約数の個数: 16

約数和(自身を含む): 294739200

約数和(自身を除く): 55961479

約数列:

[1, 7, 13, 91, 359, 2513, 4667, 7309, 32669, 51163, 95017, 665119, 2623931, 18367517, 34111103, 238777721]

約数ペア:

[(1, 238777721), (7, 34111103), (13, 18367517), (91, 2623931), (359, 665119), (2513, 95017), (4667, 51163), (7309, 32669)]