1278904796

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{43997}}^1$

素因数の和:44070

約数の個数: 36

約数和(自身を含む): 2479903272

約数和(自身を除く): 1200998476

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 338, 559, 676, 1118, 2236, 7267, 14534, 29068, 43997, 87994, 175988, 571961, 1143922, 1891871, 2287844, 3783742, 7435493, 7567484, 14870986, 24594323, 29741972, 49188646, 98377292, 319726199, 639452398, 1278904796]

約数ペア:

[(1, 1278904796), (2, 639452398), (4, 319726199), (13, 98377292), (26, 49188646), (43, 29741972), (52, 24594323), (86, 14870986), (169, 7567484), (172, 7435493), (338, 3783742), (559, 2287844), (676, 1891871), (1118, 1143922), (2236, 571961), (7267, 175988), (14534, 87994), (29068, 43997)]