7787178

素因数分解:

$2^1\times 3^6\times 7^2\times {\mathrm{109}}^1$

素因数の和:143

約数の個数: 84

約数和(自身を含む): 20559330

約数和(自身を除く): 12772152

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 109, 126, 147, 162, 189, 218, 243, 294, 327, 378, 441, 486, 567, 654, 729, 763, 882, 981, 1134, 1323, 1458, 1526, 1701, 1962, 2289, 2646, 2943, 3402, 3969, 4578, 5103, 5341, 5886, 6867, 7938, 8829, 10206, 10682, 11907, 13734, 16023, 17658, 20601, 23814, 26487, 32046, 35721, 41202, 48069, 52974, 61803, 71442, 79461, 96138, 123606, 144207, 158922, 185409, 288414, 370818, 432621, 556227, 865242, 1112454, 1297863, 2595726, 3893589, 7787178]

約数ペア:

[(1, 7787178), (2, 3893589), (3, 2595726), (6, 1297863), (7, 1112454), (9, 865242), (14, 556227), (18, 432621), (21, 370818), (27, 288414), (42, 185409), (49, 158922), (54, 144207), (63, 123606), (81, 96138), (98, 79461), (109, 71442), (126, 61803), (147, 52974), (162, 48069), (189, 41202), (218, 35721), (243, 32046), (294, 26487), (327, 23814), (378, 20601), (441, 17658), (486, 16023), (567, 13734), (654, 11907), (729, 10682), (763, 10206), (882, 8829), (981, 7938), (1134, 6867), (1323, 5886), (1458, 5341), (1526, 5103), (1701, 4578), (1962, 3969), (2289, 3402), (2646, 2943)]