81547544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41269}}^1$

素因数の和:41307

約数の個数: 32

約数和(自身を含む): 173334000

約数和(自身を除く): 91786456

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 41269, 82538, 165076, 330152, 536497, 784111, 1072994, 1568222, 2145988, 3136444, 4291976, 6272888, 10193443, 20386886, 40773772, 81547544]

約数ペア:

[(1, 81547544), (2, 40773772), (4, 20386886), (8, 10193443), (13, 6272888), (19, 4291976), (26, 3136444), (38, 2145988), (52, 1568222), (76, 1072994), (104, 784111), (152, 536497), (247, 330152), (494, 165076), (988, 82538), (1976, 41269)]