78928016

素因数分解:

$2^4\times {\mathrm{1009}}^1\times {\mathrm{4889}}^1$

素因数の和:5906

約数の個数: 20

約数和(自身を含む): 153105900

約数和(自身を除く): 74177884

約数列:

[1, 2, 4, 8, 16, 1009, 2018, 4036, 4889, 8072, 9778, 16144, 19556, 39112, 78224, 4933001, 9866002, 19732004, 39464008, 78928016]

約数ペア:

[(1, 78928016), (2, 39464008), (4, 19732004), (8, 9866002), (16, 4933001), (1009, 78224), (2018, 39112), (4036, 19556), (4889, 16144), (8072, 9778)]