251968

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 28

約数和(自身を含む): 520192

約数和(自身を除く): 268224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 248, 254, 496, 508, 992, 1016, 1984, 2032, 3937, 4064, 7874, 8128, 15748, 31496, 62992, 125984, 251968]

約数ペア:

[(1, 251968), (2, 125984), (4, 62992), (8, 31496), (16, 15748), (31, 8128), (32, 7874), (62, 4064), (64, 3937), (124, 2032), (127, 1984), (248, 1016), (254, 992), (496, 508)]