66782639

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5387}}^1$

素因数の和:5435

約数の個数: 24

約数和(自身を含む): 88449408

約数和(自身を除く): 21666769

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 5387, 12397, 37709, 59257, 123901, 263963, 414799, 867307, 1362911, 2903593, 6071149, 9540377, 66782639]

約数ペア:

[(1, 66782639), (7, 9540377), (11, 6071149), (23, 2903593), (49, 1362911), (77, 867307), (161, 414799), (253, 263963), (539, 123901), (1127, 59257), (1771, 37709), (5387, 12397)]