777727468

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{2027}}^1$

素因数の和:2302

約数の個数: 48

約数和(自身を含む): 1586317824

約数和(自身を除く): 808590356

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 193, 284, 386, 497, 772, 994, 1351, 1988, 2027, 2702, 4054, 5404, 8108, 13703, 14189, 27406, 28378, 54812, 56756, 95921, 143917, 191842, 287834, 383684, 391211, 575668, 782422, 1007419, 1564844, 2014838, 2738477, 4029676, 5476954, 10953908, 27775981, 55551962, 111103924, 194431867, 388863734, 777727468]

約数ペア:

[(1, 777727468), (2, 388863734), (4, 194431867), (7, 111103924), (14, 55551962), (28, 27775981), (71, 10953908), (142, 5476954), (193, 4029676), (284, 2738477), (386, 2014838), (497, 1564844), (772, 1007419), (994, 782422), (1351, 575668), (1988, 391211), (2027, 383684), (2702, 287834), (4054, 191842), (5404, 143917), (8108, 95921), (13703, 56756), (14189, 54812), (27406, 28378)]