201781139

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{40429}}^1$

素因数の和:40490

約数の個数: 16

約数和(自身を含む): 248401920

約数和(自身を除く): 46620781

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 40429, 283003, 929867, 1253299, 6509069, 8773093, 28825877, 201781139]

約数ペア:

[(1, 201781139), (7, 28825877), (23, 8773093), (31, 6509069), (161, 1253299), (217, 929867), (713, 283003), (4991, 40429)]