81713072

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 199558656

約数和(自身を除く): 117845584

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 43, 47, 56, 76, 86, 94, 112, 133, 152, 172, 188, 266, 301, 304, 329, 344, 361, 376, 532, 602, 658, 688, 722, 752, 817, 893, 1064, 1204, 1316, 1444, 1634, 1786, 2021, 2128, 2408, 2527, 2632, 2888, 3268, 3572, 4042, 4816, 5054, 5264, 5719, 5776, 6251, 6536, 7144, 8084, 10108, 11438, 12502, 13072, 14147, 14288, 15523, 16168, 16967, 20216, 22876, 25004, 28294, 31046, 32336, 33934, 38399, 40432, 45752, 50008, 56588, 62092, 67868, 76798, 91504, 100016, 108661, 113176, 118769, 124184, 135736, 153596, 217322, 226352, 237538, 248368, 268793, 271472, 307192, 434644, 475076, 537586, 614384, 729581, 869288, 950152, 1075172, 1459162, 1738576, 1900304, 2150344, 2918324, 4300688, 5107067, 5836648, 10214134, 11673296, 20428268, 40856536, 81713072]

約数ペア:

[(1, 81713072), (2, 40856536), (4, 20428268), (7, 11673296), (8, 10214134), (14, 5836648), (16, 5107067), (19, 4300688), (28, 2918324), (38, 2150344), (43, 1900304), (47, 1738576), (56, 1459162), (76, 1075172), (86, 950152), (94, 869288), (112, 729581), (133, 614384), (152, 537586), (172, 475076), (188, 434644), (266, 307192), (301, 271472), (304, 268793), (329, 248368), (344, 237538), (361, 226352), (376, 217322), (532, 153596), (602, 135736), (658, 124184), (688, 118769), (722, 113176), (752, 108661), (817, 100016), (893, 91504), (1064, 76798), (1204, 67868), (1316, 62092), (1444, 56588), (1634, 50008), (1786, 45752), (2021, 40432), (2128, 38399), (2408, 33934), (2527, 32336), (2632, 31046), (2888, 28294), (3268, 25004), (3572, 22876), (4042, 20216), (4816, 16967), (5054, 16168), (5264, 15523), (5719, 14288), (5776, 14147), (6251, 13072), (6536, 12502), (7144, 11438), (8084, 10108)]