2011807

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 16

約数和(自身を含む): 2424832

約数和(自身を除く): 413025

約数列:

[1, 7, 31, 73, 127, 217, 511, 889, 2263, 3937, 9271, 15841, 27559, 64897, 287401, 2011807]

約数ペア:

[(1, 2011807), (7, 287401), (31, 64897), (73, 27559), (127, 15841), (217, 9271), (511, 3937), (889, 2263)]