2181567186

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{83}}^2\times {\mathrm{241}}^1$

素因数の和:488

約数の個数: 72

約数和(自身を含む): 4870026876

約数和(自身を除く): 2688459690

約数列:

[1, 2, 3, 6, 9, 18, 73, 83, 146, 166, 219, 241, 249, 438, 482, 498, 657, 723, 747, 1314, 1446, 1494, 2169, 4338, 6059, 6889, 12118, 13778, 17593, 18177, 20003, 20667, 35186, 36354, 40006, 41334, 52779, 54531, 60009, 62001, 105558, 109062, 120018, 124002, 158337, 180027, 316674, 360054, 502897, 1005794, 1460219, 1508691, 1660249, 2920438, 3017382, 3320498, 4380657, 4526073, 4980747, 8761314, 9052146, 9961494, 13141971, 14942241, 26283942, 29884482, 121198177, 242396354, 363594531, 727189062, 1090783593, 2181567186]

約数ペア:

[(1, 2181567186), (2, 1090783593), (3, 727189062), (6, 363594531), (9, 242396354), (18, 121198177), (73, 29884482), (83, 26283942), (146, 14942241), (166, 13141971), (219, 9961494), (241, 9052146), (249, 8761314), (438, 4980747), (482, 4526073), (498, 4380657), (657, 3320498), (723, 3017382), (747, 2920438), (1314, 1660249), (1446, 1508691), (1494, 1460219), (2169, 1005794), (4338, 502897), (6059, 360054), (6889, 316674), (12118, 180027), (13778, 158337), (17593, 124002), (18177, 120018), (20003, 109062), (20667, 105558), (35186, 62001), (36354, 60009), (40006, 54531), (41334, 52779)]