257983736

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{8191}}^1$

素因数の和:8355

約数の個数: 32

約数和(自身を含む): 503316480

約数和(自身を除く): 245332744

約数列:

[1, 2, 4, 8, 31, 62, 124, 127, 248, 254, 508, 1016, 3937, 7874, 8191, 15748, 16382, 31496, 32764, 65528, 253921, 507842, 1015684, 1040257, 2031368, 2080514, 4161028, 8322056, 32247967, 64495934, 128991868, 257983736]

約数ペア:

[(1, 257983736), (2, 128991868), (4, 64495934), (8, 32247967), (31, 8322056), (62, 4161028), (124, 2080514), (127, 2031368), (248, 1040257), (254, 1015684), (508, 507842), (1016, 253921), (3937, 65528), (7874, 32764), (8191, 31496), (15748, 16382)]