66771047

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{647}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 79875072

約数和(自身を除く): 13104025

約数列:

[1, 7, 23, 161, 641, 647, 4487, 4529, 14743, 14881, 103201, 104167, 414727, 2903089, 9538721, 66771047]

約数ペア:

[(1, 66771047), (7, 9538721), (23, 2903089), (161, 414727), (641, 104167), (647, 103201), (4487, 14881), (4529, 14743)]