231489488

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{104087}}^1$

素因数の和:104234

約数の個数: 20

約数和(自身を含む): 451741920

約数和(自身を除く): 220252432

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 104087, 208174, 416348, 832696, 1665392, 14468093, 28936186, 57872372, 115744744, 231489488]

約数ペア:

[(1, 231489488), (2, 115744744), (4, 57872372), (8, 28936186), (16, 14468093), (139, 1665392), (278, 832696), (556, 416348), (1112, 208174), (2224, 104087)]