66453712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319489}}^1$

素因数の和:319510

約数の個数: 20

約数和(自身を含む): 138658660

約数和(自身を除く): 72204948

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319489, 638978, 1277956, 2555912, 4153357, 5111824, 8306714, 16613428, 33226856, 66453712]

約数ペア:

[(1, 66453712), (2, 33226856), (4, 16613428), (8, 8306714), (13, 5111824), (16, 4153357), (26, 2555912), (52, 1277956), (104, 638978), (208, 319489)]