221260207

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{23293}}^1$

素因数の和:23382

約数の個数: 16

約数和(自身を含む): 268346880

約数和(自身を除く): 47086673

約数列:

[1, 7, 23, 59, 161, 413, 1357, 9499, 23293, 163051, 535739, 1374287, 3750173, 9620009, 31608601, 221260207]

約数ペア:

[(1, 221260207), (7, 31608601), (23, 9620009), (59, 3750173), (161, 1374287), (413, 535739), (1357, 163051), (9499, 23293)]