66370213

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 84471296

約数和(自身を除く): 18101083

約数列:

[1, 7, 13, 73, 91, 97, 103, 511, 679, 721, 949, 1261, 1339, 6643, 7081, 7519, 8827, 9373, 9991, 49567, 52633, 69937, 92053, 97747, 129883, 644371, 684229, 729343, 909181, 5105401, 9481459, 66370213]

約数ペア:

[(1, 66370213), (7, 9481459), (13, 5105401), (73, 909181), (91, 729343), (97, 684229), (103, 644371), (511, 129883), (679, 97747), (721, 92053), (949, 69937), (1261, 52633), (1339, 49567), (6643, 9991), (7081, 9373), (7519, 8827)]