90907271

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{1409}}^1$

素因数の和:2138

約数の個数: 16

約数和(自身を含む): 112123200

約数和(自身を除く): 21215929

約数列:

[1, 7, 13, 91, 709, 1409, 4963, 9217, 9863, 18317, 64519, 128219, 998981, 6992867, 12986753, 90907271]

約数ペア:

[(1, 90907271), (7, 12986753), (13, 6992867), (91, 998981), (709, 128219), (1409, 64519), (4963, 18317), (9217, 9863)]