90691991

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31567}}^1$

素因数の和:31610

約数の個数: 12

約数和(自身を含む): 103984992

約数和(自身を除く): 13293001

約数列:

[1, 13, 17, 169, 221, 2873, 31567, 410371, 536639, 5334823, 6976307, 90691991]

約数ペア:

[(1, 90691991), (13, 6976307), (17, 5334823), (169, 536639), (221, 410371), (2873, 31567)]