531856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2578

約数の個数: 20

約数和(自身を含む): 1110172

約数和(自身を除く): 578316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2557, 5114, 10228, 20456, 33241, 40912, 66482, 132964, 265928, 531856]

約数ペア:

[(1, 531856), (2, 265928), (4, 132964), (8, 66482), (13, 40912), (16, 33241), (26, 20456), (52, 10228), (104, 5114), (208, 2557)]