1209303808

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{66533}}^1$

素因数の和:66620

約数の個数: 36

約数和(自身を含む): 2447918928

約数和(自身を除く): 1238615120

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 568, 1136, 2272, 4544, 9088, 18176, 66533, 133066, 266132, 532264, 1064528, 2129056, 4258112, 4723843, 8516224, 9447686, 17032448, 18895372, 37790744, 75581488, 151162976, 302325952, 604651904, 1209303808]

約数ペア:

[(1, 1209303808), (2, 604651904), (4, 302325952), (8, 151162976), (16, 75581488), (32, 37790744), (64, 18895372), (71, 17032448), (128, 9447686), (142, 8516224), (256, 4723843), (284, 4258112), (568, 2129056), (1136, 1064528), (2272, 532264), (4544, 266132), (9088, 133066), (18176, 66533)]