131390896

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 335978496

約数和(自身を除く): 204587600

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 41, 52, 56, 62, 71, 82, 91, 104, 112, 124, 142, 164, 182, 208, 217, 248, 284, 287, 328, 364, 403, 434, 496, 497, 533, 568, 574, 656, 728, 806, 868, 923, 994, 1066, 1136, 1148, 1271, 1456, 1612, 1736, 1846, 1988, 2132, 2201, 2296, 2542, 2821, 2911, 3224, 3472, 3692, 3731, 3976, 4264, 4402, 4592, 5084, 5642, 5822, 6448, 6461, 7384, 7462, 7952, 8528, 8804, 8897, 10168, 11284, 11644, 12922, 14768, 14924, 15407, 16523, 17608, 17794, 20336, 20377, 22568, 23288, 25844, 28613, 29848, 30814, 33046, 35216, 35588, 37843, 40754, 45136, 46576, 51688, 57226, 59696, 61628, 66092, 71176, 75686, 81508, 90241, 103376, 114452, 115661, 123256, 132184, 142352, 151372, 163016, 180482, 200291, 228904, 231322, 246512, 264368, 264901, 302744, 326032, 360964, 400582, 457808, 462644, 529802, 605488, 631687, 721928, 801164, 925288, 1059604, 1173133, 1263374, 1443856, 1602328, 1850576, 2119208, 2346266, 2526748, 3204656, 4238416, 4692532, 5053496, 8211931, 9385064, 10106992, 16423862, 18770128, 32847724, 65695448, 131390896]

約数ペア:

[(1, 131390896), (2, 65695448), (4, 32847724), (7, 18770128), (8, 16423862), (13, 10106992), (14, 9385064), (16, 8211931), (26, 5053496), (28, 4692532), (31, 4238416), (41, 3204656), (52, 2526748), (56, 2346266), (62, 2119208), (71, 1850576), (82, 1602328), (91, 1443856), (104, 1263374), (112, 1173133), (124, 1059604), (142, 925288), (164, 801164), (182, 721928), (208, 631687), (217, 605488), (248, 529802), (284, 462644), (287, 457808), (328, 400582), (364, 360964), (403, 326032), (434, 302744), (496, 264901), (497, 264368), (533, 246512), (568, 231322), (574, 228904), (656, 200291), (728, 180482), (806, 163016), (868, 151372), (923, 142352), (994, 132184), (1066, 123256), (1136, 115661), (1148, 114452), (1271, 103376), (1456, 90241), (1612, 81508), (1736, 75686), (1846, 71176), (1988, 66092), (2132, 61628), (2201, 59696), (2296, 57226), (2542, 51688), (2821, 46576), (2911, 45136), (3224, 40754), (3472, 37843), (3692, 35588), (3731, 35216), (3976, 33046), (4264, 30814), (4402, 29848), (4592, 28613), (5084, 25844), (5642, 23288), (5822, 22568), (6448, 20377), (6461, 20336), (7384, 17794), (7462, 17608), (7952, 16523), (8528, 15407), (8804, 14924), (8897, 14768), (10168, 12922), (11284, 11644)]