128663982

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{90481}}^1$

素因数の和:90568

約数の個数: 24

約数和(自身を含む): 282303840

約数和(自身を除く): 153639858

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 90481, 180962, 271443, 542886, 814329, 1628658, 7147999, 14295998, 21443997, 42887994, 64331991, 128663982]

約数ペア:

[(1, 128663982), (2, 64331991), (3, 42887994), (6, 21443997), (9, 14295998), (18, 7147999), (79, 1628658), (158, 814329), (237, 542886), (474, 271443), (711, 180962), (1422, 90481)]