639342894

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{7589}}^1$

素因数の和:8352

約数の個数: 32

約数和(自身を含む): 1347984000

約数和(自身を除く): 708641106

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 739, 1478, 2217, 4434, 7589, 14041, 15178, 22767, 28082, 42123, 45534, 84246, 144191, 288382, 432573, 865146, 5608271, 11216542, 16824813, 33649626, 106557149, 213114298, 319671447, 639342894]

約数ペア:

[(1, 639342894), (2, 319671447), (3, 213114298), (6, 106557149), (19, 33649626), (38, 16824813), (57, 11216542), (114, 5608271), (739, 865146), (1478, 432573), (2217, 288382), (4434, 144191), (7589, 84246), (14041, 45534), (15178, 42123), (22767, 28082)]