128514883978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{260151587}}^1$

素因数の和:260151621

約数の個数: 16

約数和(自身を含む): 218527333920

約数和(自身を除く): 90012449942

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 260151587, 520303174, 3381970631, 4942880153, 6763941262, 9885760306, 64257441989, 128514883978]

約数ペア:

[(1, 128514883978), (2, 64257441989), (13, 9885760306), (19, 6763941262), (26, 4942880153), (38, 3381970631), (247, 520303174), (494, 260151587)]