80821973196

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{937}}^1\times {\mathrm{55721}}^1$

素因数の和:56711

約数の個数: 72

約数和(自身を含む): 209278012944

約数和(自身を除く): 128456039748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 937, 1548, 1874, 2811, 3748, 5622, 8433, 11244, 16866, 33732, 40291, 55721, 80582, 111442, 120873, 161164, 167163, 222884, 241746, 334326, 362619, 483492, 501489, 668652, 725238, 1002978, 1450476, 2005956, 2396003, 4792006, 7188009, 9584012, 14376018, 21564027, 28752036, 43128054, 52210577, 86256108, 104421154, 156631731, 208842308, 313263462, 469895193, 626526924, 939790386, 1879580772, 2245054811, 4490109622, 6735164433, 8980219244, 13470328866, 20205493299, 26940657732, 40410986598, 80821973196]

約数ペア:

[(1, 80821973196), (2, 40410986598), (3, 26940657732), (4, 20205493299), (6, 13470328866), (9, 8980219244), (12, 6735164433), (18, 4490109622), (36, 2245054811), (43, 1879580772), (86, 939790386), (129, 626526924), (172, 469895193), (258, 313263462), (387, 208842308), (516, 156631731), (774, 104421154), (937, 86256108), (1548, 52210577), (1874, 43128054), (2811, 28752036), (3748, 21564027), (5622, 14376018), (8433, 9584012), (11244, 7188009), (16866, 4792006), (33732, 2396003), (40291, 2005956), (55721, 1450476), (80582, 1002978), (111442, 725238), (120873, 668652), (161164, 501489), (167163, 483492), (222884, 362619), (241746, 334326)]