87771088

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{61637}}^1$

素因数の和:61734

約数の個数: 20

約数和(自身を含む): 171970020

約数和(自身を除く): 84198932

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 61637, 123274, 246548, 493096, 986192, 5485693, 10971386, 21942772, 43885544, 87771088]

約数ペア:

[(1, 87771088), (2, 43885544), (4, 21942772), (8, 10971386), (16, 5485693), (89, 986192), (178, 493096), (356, 246548), (712, 123274), (1424, 61637)]