66728628

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^2\times {\mathrm{197}}^1$

素因数の和:401

約数の個数: 54

約数和(自身を含む): 171297126

約数和(自身を除く): 104568498

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 197, 291, 388, 394, 582, 591, 788, 873, 1164, 1182, 1746, 1773, 2364, 3492, 3546, 7092, 9409, 18818, 19109, 28227, 37636, 38218, 56454, 57327, 76436, 84681, 112908, 114654, 169362, 171981, 229308, 338724, 343962, 687924, 1853573, 3707146, 5560719, 7414292, 11121438, 16682157, 22242876, 33364314, 66728628]

約数ペア:

[(1, 66728628), (2, 33364314), (3, 22242876), (4, 16682157), (6, 11121438), (9, 7414292), (12, 5560719), (18, 3707146), (36, 1853573), (97, 687924), (194, 343962), (197, 338724), (291, 229308), (388, 171981), (394, 169362), (582, 114654), (591, 112908), (788, 84681), (873, 76436), (1164, 57327), (1182, 56454), (1746, 38218), (1773, 37636), (2364, 28227), (3492, 19109), (3546, 18818), (7092, 9409)]