12477808

素因数分解:

$2^4\times 7^1\times {\mathrm{111409}}^1$

素因数の和:111424

約数の個数: 20

約数和(自身を含む): 27629680

約数和(自身を除く): 15151872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 111409, 222818, 445636, 779863, 891272, 1559726, 1782544, 3119452, 6238904, 12477808]

約数ペア:

[(1, 12477808), (2, 6238904), (4, 3119452), (7, 1782544), (8, 1559726), (14, 891272), (16, 779863), (28, 445636), (56, 222818), (112, 111409)]