26981435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2749}}^1$

素因数の和:2918

約数の個数: 16

約数和(自身を含む): 35112000

約数和(自身を除く): 8130565

約数列:

[1, 5, 13, 65, 151, 755, 1963, 2749, 9815, 13745, 35737, 178685, 415099, 2075495, 5396287, 26981435]

約数ペア:

[(1, 26981435), (5, 5396287), (13, 2075495), (65, 415099), (151, 178685), (755, 35737), (1963, 13745), (2749, 9815)]