2786986804

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{19919}}^1$

素因数の和:20212

約数の個数: 48

約数和(自身を含む): 5889945600

約数和(自身を除く): 3102958796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 263, 266, 526, 532, 1052, 1841, 3682, 4997, 7364, 9994, 19919, 19988, 34979, 39838, 69958, 79676, 139433, 139916, 278866, 378461, 557732, 756922, 1513844, 2649227, 5238697, 5298454, 10477394, 10596908, 20954788, 36670879, 73341758, 99535243, 146683516, 199070486, 398140972, 696746701, 1393493402, 2786986804]

約数ペア:

[(1, 2786986804), (2, 1393493402), (4, 696746701), (7, 398140972), (14, 199070486), (19, 146683516), (28, 99535243), (38, 73341758), (76, 36670879), (133, 20954788), (263, 10596908), (266, 10477394), (526, 5298454), (532, 5238697), (1052, 2649227), (1841, 1513844), (3682, 756922), (4997, 557732), (7364, 378461), (9994, 278866), (19919, 139916), (19988, 139433), (34979, 79676), (39838, 69958)]