643768038

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 1407875040

約数和(自身を除く): 764107002

約数列:

[1, 2, 3, 6, 9, 18, 257, 317, 439, 514, 634, 771, 878, 951, 1317, 1542, 1902, 2313, 2634, 2853, 3951, 4626, 5706, 7902, 81469, 112823, 139163, 162938, 225646, 244407, 278326, 338469, 417489, 488814, 676938, 733221, 834978, 1015407, 1252467, 1466442, 2030814, 2504934, 35764891, 71529782, 107294673, 214589346, 321884019, 643768038]

約数ペア:

[(1, 643768038), (2, 321884019), (3, 214589346), (6, 107294673), (9, 71529782), (18, 35764891), (257, 2504934), (317, 2030814), (439, 1466442), (514, 1252467), (634, 1015407), (771, 834978), (878, 733221), (951, 676938), (1317, 488814), (1542, 417489), (1902, 338469), (2313, 278326), (2634, 244407), (2853, 225646), (3951, 162938), (4626, 139163), (5706, 112823), (7902, 81469)]