64918256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{312107}}^1$

素因数の和:312128

約数の個数: 20

約数和(自身を含む): 135454872

約数和(自身を除く): 70536616

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 312107, 624214, 1248428, 2496856, 4057391, 4993712, 8114782, 16229564, 32459128, 64918256]

約数ペア:

[(1, 64918256), (2, 32459128), (4, 16229564), (8, 8114782), (13, 4993712), (16, 4057391), (26, 2496856), (52, 1248428), (104, 624214), (208, 312107)]