406975972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{411919}}^1$

素因数の和:411955

約数の個数: 24

約数和(自身を含む): 807363200

約数和(自身を除く): 400387228

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 411919, 823838, 1647676, 5354947, 7826461, 10709894, 15652922, 21419788, 31305844, 101743993, 203487986, 406975972]

約数ペア:

[(1, 406975972), (2, 203487986), (4, 101743993), (13, 31305844), (19, 21419788), (26, 15652922), (38, 10709894), (52, 7826461), (76, 5354947), (247, 1647676), (494, 823838), (988, 411919)]