278812802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{56009}}^1$

素因数の和:56161

約数の個数: 16

約数和(自身を含む): 443599200

約数和(自身を除く): 164786398

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 56009, 112018, 1064171, 2128342, 7337179, 14674358, 139406401, 278812802]

約数ペア:

[(1, 278812802), (2, 139406401), (19, 14674358), (38, 7337179), (131, 2128342), (262, 1064171), (2489, 112018), (4978, 56009)]