56781712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{272989}}^1$

素因数の和:273010

約数の個数: 20

約数和(自身を含む): 118477660

約数和(自身を除く): 61695948

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 272989, 545978, 1091956, 2183912, 3548857, 4367824, 7097714, 14195428, 28390856, 56781712]

約数ペア:

[(1, 56781712), (2, 28390856), (4, 14195428), (8, 7097714), (13, 4367824), (16, 3548857), (26, 2183912), (52, 1091956), (104, 545978), (208, 272989)]