9961721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2441}}^1$

素因数の和:2512

約数の個数: 16

約数和(自身を含む): 12659328

約数和(自身を除く): 2697607

約数列:

[1, 7, 11, 53, 77, 371, 583, 2441, 4081, 17087, 26851, 129373, 187957, 905611, 1423103, 9961721]

約数ペア:

[(1, 9961721), (7, 1423103), (11, 905611), (53, 187957), (77, 129373), (371, 26851), (583, 17087), (2441, 4081)]