319251608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71389}}^1$

素因数の和:71451

約数の個数: 32

約数和(自身を含む): 659643600

約数和(自身を除く): 340391992

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 71389, 142778, 285556, 571112, 928057, 1856114, 3069727, 3712228, 6139454, 7424456, 12278908, 24557816, 39906451, 79812902, 159625804, 319251608]

約数ペア:

[(1, 319251608), (2, 159625804), (4, 79812902), (8, 39906451), (13, 24557816), (26, 12278908), (43, 7424456), (52, 6139454), (86, 3712228), (104, 3069727), (172, 1856114), (344, 928057), (559, 571112), (1118, 285556), (2236, 142778), (4472, 71389)]