77971972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{78919}}^1$

素因数の和:78955

約数の個数: 24

約数和(自身を含む): 154683200

約数和(自身を除く): 76711228

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 78919, 157838, 315676, 1025947, 1499461, 2051894, 2998922, 4103788, 5997844, 19492993, 38985986, 77971972]

約数ペア:

[(1, 77971972), (2, 38985986), (4, 19492993), (13, 5997844), (19, 4103788), (26, 2998922), (38, 2051894), (52, 1499461), (76, 1025947), (247, 315676), (494, 157838), (988, 78919)]