256346768834

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{10639}}^1\times {\mathrm{71287}}^1$

素因数の和:81954

約数の個数: 24

約数和(自身を含む): 416418871680

約数和(自身を除く): 160072102846

約数列:

[1, 2, 13, 26, 169, 338, 10639, 21278, 71287, 138307, 142574, 276614, 926731, 1797991, 1853462, 3595982, 12047503, 24095006, 758422393, 1516844786, 9859491109, 19718982218, 128173384417, 256346768834]

約数ペア:

[(1, 256346768834), (2, 128173384417), (13, 19718982218), (26, 9859491109), (169, 1516844786), (338, 758422393), (10639, 24095006), (21278, 12047503), (71287, 3595982), (138307, 1853462), (142574, 1797991), (276614, 926731)]