66941917

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1973}}^1$

素因数の和:2148

約数の個数: 16

約数和(自身を含む): 79212672

約数和(自身を除く): 12270755

約数列:

[1, 7, 37, 131, 259, 917, 1973, 4847, 13811, 33929, 73001, 258463, 511007, 1809241, 9563131, 66941917]

約数ペア:

[(1, 66941917), (7, 9563131), (37, 1809241), (131, 511007), (259, 258463), (917, 73001), (1973, 33929), (4847, 13811)]