389927902

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{20023}}^1$

素因数の和:20152

約数の個数: 32

約数和(自身を含む): 726630912

約数和(自身を除く): 336703010

約数列:

[1, 2, 7, 13, 14, 26, 91, 107, 182, 214, 749, 1391, 1498, 2782, 9737, 19474, 20023, 40046, 140161, 260299, 280322, 520598, 1822093, 2142461, 3644186, 4284922, 14997227, 27851993, 29994454, 55703986, 194963951, 389927902]

約数ペア:

[(1, 389927902), (2, 194963951), (7, 55703986), (13, 29994454), (14, 27851993), (26, 14997227), (91, 4284922), (107, 3644186), (182, 2142461), (214, 1822093), (749, 520598), (1391, 280322), (1498, 260299), (2782, 140161), (9737, 40046), (19474, 20023)]