168778568

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{15299}}^1$

素因数の和:15509

約数の個数: 32

約数和(自身を含む): 363528000

約数和(自身を除く): 194749432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 2758, 5516, 11032, 15299, 30598, 61196, 107093, 122392, 214186, 428372, 856744, 3013903, 6027806, 12055612, 21097321, 24111224, 42194642, 84389284, 168778568]

約数ペア:

[(1, 168778568), (2, 84389284), (4, 42194642), (7, 24111224), (8, 21097321), (14, 12055612), (28, 6027806), (56, 3013903), (197, 856744), (394, 428372), (788, 214186), (1379, 122392), (1576, 107093), (2758, 61196), (5516, 30598), (11032, 15299)]