219278278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{108877}}^1$

素因数の和:108951

約数の個数: 16

約数和(自身を含む): 352764720

約数和(自身を除く): 133486442

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 108877, 217754, 2068663, 4137326, 5770481, 11540962, 109639139, 219278278]

約数ペア:

[(1, 219278278), (2, 109639139), (19, 11540962), (38, 5770481), (53, 4137326), (106, 2068663), (1007, 217754), (2014, 108877)]