66173471

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 36

約数和(自身を含む): 85367304

約数和(自身を除く): 19193833

約数列:

[1, 7, 13, 49, 61, 91, 131, 169, 427, 637, 793, 917, 1183, 1703, 2989, 5551, 6419, 7991, 8281, 10309, 11921, 22139, 38857, 55937, 72163, 83447, 103883, 154973, 391559, 505141, 727181, 1084811, 1350479, 5090267, 9453353, 66173471]

約数ペア:

[(1, 66173471), (7, 9453353), (13, 5090267), (49, 1350479), (61, 1084811), (91, 727181), (131, 505141), (169, 391559), (427, 154973), (637, 103883), (793, 83447), (917, 72163), (1183, 55937), (1703, 38857), (2989, 22139), (5551, 11921), (6419, 10309), (7991, 8281)]