1247996958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{15999961}}^1$

素因数の和:15999979

約数の個数: 16

約数和(自身を含む): 2687993616

約数和(自身を除く): 1439996658

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 15999961, 31999922, 47999883, 95999766, 207999493, 415998986, 623998479, 1247996958]

約数ペア:

[(1, 1247996958), (2, 623998479), (3, 415998986), (6, 207999493), (13, 95999766), (26, 47999883), (39, 31999922), (78, 15999961)]