66477008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319601}}^1$

素因数の和:319622

約数の個数: 20

約数和(自身を含む): 138707268

約数和(自身を除く): 72230260

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319601, 639202, 1278404, 2556808, 4154813, 5113616, 8309626, 16619252, 33238504, 66477008]

約数ペア:

[(1, 66477008), (2, 33238504), (4, 16619252), (8, 8309626), (13, 5113616), (16, 4154813), (26, 2556808), (52, 1278404), (104, 639202), (208, 319601)]