638830049

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{120739}}^1$

素因数の和:120800

約数の個数: 16

約数和(自身を含む): 770804160

約数和(自身を除く): 131974111

約数列:

[1, 11, 13, 37, 143, 407, 481, 5291, 120739, 1328129, 1569607, 4467343, 17265677, 49140773, 58075459, 638830049]

約数ペア:

[(1, 638830049), (11, 58075459), (13, 49140773), (37, 17265677), (143, 4467343), (407, 1569607), (481, 1328129), (5291, 120739)]