638630167

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{65027}}^1$

素因数の和:65118

約数の個数: 16

約数和(自身を含む): 774093312

約数和(自身を除く): 135463145

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 65027, 455189, 1495621, 3966647, 10469347, 27766529, 91232881, 638630167]

約数ペア:

[(1, 638630167), (7, 91232881), (23, 27766529), (61, 10469347), (161, 3966647), (427, 1495621), (1403, 455189), (9821, 65027)]