66778852

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{6131}}^1$

素因数の和:6531

約数の個数: 24

約数和(自身を含む): 133922880

約数和(自身を除く): 67144028

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 5446, 6131, 10892, 12262, 24524, 42917, 85834, 171668, 2384959, 4769918, 9539836, 16694713, 33389426, 66778852]

約数ペア:

[(1, 66778852), (2, 33389426), (4, 16694713), (7, 9539836), (14, 4769918), (28, 2384959), (389, 171668), (778, 85834), (1556, 42917), (2723, 24524), (5446, 12262), (6131, 10892)]