80719828

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151729}}^1$

素因数の和:151759

約数の個数: 24

約数和(自身を含む): 169937600

約数和(自身を除く): 89217772

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 151729, 303458, 606916, 1062103, 2124206, 2882851, 4248412, 5765702, 11531404, 20179957, 40359914, 80719828]

約数ペア:

[(1, 80719828), (2, 40359914), (4, 20179957), (7, 11531404), (14, 5765702), (19, 4248412), (28, 2882851), (38, 2124206), (76, 1062103), (133, 606916), (266, 303458), (532, 151729)]