28690519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 33866784

約数和(自身を除く): 5176265

約数列:

[1, 11, 13, 143, 313, 641, 3443, 4069, 7051, 8333, 44759, 91663, 200633, 2206963, 2608229, 28690519]

約数ペア:

[(1, 28690519), (11, 2608229), (13, 2206963), (143, 200633), (313, 91663), (641, 44759), (3443, 8333), (4069, 7051)]