67646887

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{38197}}^1$

素因数の和:38238

約数の個数: 16

約数和(自身を含む): 88008192

約数和(自身を除く): 20361305

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 38197, 267379, 420167, 878531, 2941169, 6149717, 9663841, 67646887]

約数ペア:

[(1, 67646887), (7, 9663841), (11, 6149717), (23, 2941169), (77, 878531), (161, 420167), (253, 267379), (1771, 38197)]