77778568

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{5281}}^1$

素因数の和:5557

約数の個数: 32

約数和(自身を含む): 167333760

約数和(自身を除く): 89555192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1841, 2104, 3682, 5281, 7364, 10562, 14728, 21124, 36967, 42248, 73934, 147868, 295736, 1388903, 2777806, 5555612, 9722321, 11111224, 19444642, 38889284, 77778568]

約数ペア:

[(1, 77778568), (2, 38889284), (4, 19444642), (7, 11111224), (8, 9722321), (14, 5555612), (28, 2777806), (56, 1388903), (263, 295736), (526, 147868), (1052, 73934), (1841, 42248), (2104, 36967), (3682, 21124), (5281, 14728), (7364, 10562)]