66978769

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12659}}^1$

素因数の和:12720

約数の個数: 16

約数和(自身を含む): 80821440

約数和(自身を除く): 13842671

約数列:

[1, 11, 13, 37, 143, 407, 481, 5291, 12659, 139249, 164567, 468383, 1810237, 5152213, 6088979, 66978769]

約数ペア:

[(1, 66978769), (11, 6088979), (13, 5152213), (37, 1810237), (143, 468383), (407, 164567), (481, 139249), (5291, 12659)]