289072004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12721}}^1$

素因数の和:12780

約数の個数: 48

約数和(自身を含む): 598442880

約数和(自身を除く): 309370876

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 92, 247, 299, 437, 494, 598, 874, 988, 1196, 1748, 5681, 11362, 12721, 22724, 25442, 50884, 165373, 241699, 292583, 330746, 483398, 585166, 661492, 966796, 1170332, 3142087, 3803579, 5559077, 6284174, 7607158, 11118154, 12568348, 15214316, 22236308, 72268001, 144536002, 289072004]

約数ペア:

[(1, 289072004), (2, 144536002), (4, 72268001), (13, 22236308), (19, 15214316), (23, 12568348), (26, 11118154), (38, 7607158), (46, 6284174), (52, 5559077), (76, 3803579), (92, 3142087), (247, 1170332), (299, 966796), (437, 661492), (494, 585166), (598, 483398), (874, 330746), (988, 292583), (1196, 241699), (1748, 165373), (5681, 50884), (11362, 25442), (12721, 22724)]