257649344

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{56701}}^1$

素因数の和:56784

約数の個数: 28

約数和(自身を含む): 518483088

約数和(自身を除く): 260833744

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 56701, 113402, 226804, 453608, 907216, 1814432, 3628864, 4025771, 8051542, 16103084, 32206168, 64412336, 128824672, 257649344]

約数ペア:

[(1, 257649344), (2, 128824672), (4, 64412336), (8, 32206168), (16, 16103084), (32, 8051542), (64, 4025771), (71, 3628864), (142, 1814432), (284, 907216), (568, 453608), (1136, 226804), (2272, 113402), (4544, 56701)]