64803856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311557}}^1$

素因数の和:311578

約数の個数: 20

約数和(自身を含む): 135216172

約数和(自身を除く): 70412316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311557, 623114, 1246228, 2492456, 4050241, 4984912, 8100482, 16200964, 32401928, 64803856]

約数ペア:

[(1, 64803856), (2, 32401928), (4, 16200964), (8, 8100482), (13, 4984912), (16, 4050241), (26, 2492456), (52, 1246228), (104, 623114), (208, 311557)]