81534992

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 210135360

約数和(自身を除く): 128600368

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 229, 238, 272, 289, 308, 374, 458, 476, 578, 616, 748, 916, 952, 1156, 1232, 1309, 1496, 1603, 1832, 1904, 2023, 2312, 2519, 2618, 2992, 3179, 3206, 3664, 3893, 4046, 4624, 5038, 5236, 6358, 6412, 7786, 8092, 10076, 10472, 12716, 12824, 15572, 16184, 17633, 20152, 20944, 22253, 25432, 25648, 27251, 31144, 32368, 35266, 40304, 42823, 44506, 50864, 54502, 62288, 66181, 70532, 85646, 89012, 109004, 132362, 141064, 171292, 178024, 218008, 264724, 282128, 299761, 342584, 356048, 436016, 463267, 529448, 599522, 685168, 727991, 926534, 1058896, 1199044, 1455982, 1853068, 2398088, 2911964, 3706136, 4796176, 5095937, 5823928, 7412272, 10191874, 11647856, 20383748, 40767496, 81534992]

約数ペア:

[(1, 81534992), (2, 40767496), (4, 20383748), (7, 11647856), (8, 10191874), (11, 7412272), (14, 5823928), (16, 5095937), (17, 4796176), (22, 3706136), (28, 2911964), (34, 2398088), (44, 1853068), (56, 1455982), (68, 1199044), (77, 1058896), (88, 926534), (112, 727991), (119, 685168), (136, 599522), (154, 529448), (176, 463267), (187, 436016), (229, 356048), (238, 342584), (272, 299761), (289, 282128), (308, 264724), (374, 218008), (458, 178024), (476, 171292), (578, 141064), (616, 132362), (748, 109004), (916, 89012), (952, 85646), (1156, 70532), (1232, 66181), (1309, 62288), (1496, 54502), (1603, 50864), (1832, 44506), (1904, 42823), (2023, 40304), (2312, 35266), (2519, 32368), (2618, 31144), (2992, 27251), (3179, 25648), (3206, 25432), (3664, 22253), (3893, 20944), (4046, 20152), (4624, 17633), (5038, 16184), (5236, 15572), (6358, 12824), (6412, 12716), (7786, 10472), (8092, 10076)]