12679888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{60961}}^1$

素因数の和:60982

約数の個数: 20

約数和(自身を含む): 26457508

約数和(自身を除く): 13777620

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 60961, 121922, 243844, 487688, 792493, 975376, 1584986, 3169972, 6339944, 12679888]

約数ペア:

[(1, 12679888), (2, 6339944), (4, 3169972), (8, 1584986), (13, 975376), (16, 792493), (26, 487688), (52, 243844), (104, 121922), (208, 60961)]