156777968

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{27143}}^1$

素因数の和:27189

約数の個数: 30

約数和(自身を含む): 320597784

約数和(自身を除く): 163819816

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 27143, 54286, 108572, 217144, 434288, 515717, 1031434, 2062868, 4125736, 8251472, 9798623, 19597246, 39194492, 78388984, 156777968]

約数ペア:

[(1, 156777968), (2, 78388984), (4, 39194492), (8, 19597246), (16, 9798623), (19, 8251472), (38, 4125736), (76, 2062868), (152, 1031434), (304, 515717), (361, 434288), (722, 217144), (1444, 108572), (2888, 54286), (5776, 27143)]