218778879

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{433}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 325479168

約数和(自身を除く): 106700289

約数列:

[1, 3, 11, 33, 61, 183, 251, 433, 671, 753, 1299, 2013, 2761, 4763, 8283, 14289, 15311, 26413, 45933, 79239, 108683, 168421, 290543, 326049, 505263, 871629, 1195513, 3586539, 6629663, 19888989, 72926293, 218778879]

約数ペア:

[(1, 218778879), (3, 72926293), (11, 19888989), (33, 6629663), (61, 3586539), (183, 1195513), (251, 871629), (433, 505263), (671, 326049), (753, 290543), (1299, 168421), (2013, 108683), (2761, 79239), (4763, 45933), (8283, 26413), (14289, 15311)]