278317198

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{7883}}^1$

素因数の和:8151

約数の個数: 16

約数和(自身を含む): 423843840

約数和(自身を除く): 145526642

約数列:

[1, 2, 127, 139, 254, 278, 7883, 15766, 17653, 35306, 1001141, 1095737, 2002282, 2191474, 139158599, 278317198]

約数ペア:

[(1, 278317198), (2, 139158599), (127, 2191474), (139, 2002282), (254, 1095737), (278, 1001141), (7883, 35306), (15766, 17653)]