81485170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{626809}}^1$

素因数の和:626829

約数の個数: 16

約数和(自身を含む): 157956120

約数和(自身を除く): 76470950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 626809, 1253618, 3134045, 6268090, 8148517, 16297034, 40742585, 81485170]

約数ペア:

[(1, 81485170), (2, 40742585), (5, 16297034), (10, 8148517), (13, 6268090), (26, 3134045), (65, 1253618), (130, 626809)]