17981117

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{797}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 22522752

約数和(自身を除く): 4541635

約数列:

[1, 7, 11, 77, 293, 797, 2051, 3223, 5579, 8767, 22561, 61369, 233521, 1634647, 2568731, 17981117]

約数ペア:

[(1, 17981117), (7, 2568731), (11, 1634647), (77, 233521), (293, 61369), (797, 22561), (2051, 8767), (3223, 5579)]