668804556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{7961959}}^1$

素因数の和:7961973

約数の個数: 24

約数和(自身を含む): 1783479040

約数和(自身を除く): 1114674484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 7961959, 15923918, 23885877, 31847836, 47771754, 55733713, 95543508, 111467426, 167201139, 222934852, 334402278, 668804556]

約数ペア:

[(1, 668804556), (2, 334402278), (3, 222934852), (4, 167201139), (6, 111467426), (7, 95543508), (12, 55733713), (14, 47771754), (21, 31847836), (28, 23885877), (42, 15923918), (84, 7961959)]