813631456

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 96

約数和(自身を含む): 1818464256

約数和(自身を除く): 1004832800

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 173, 176, 248, 341, 346, 352, 431, 496, 682, 692, 862, 992, 1364, 1384, 1724, 1903, 2728, 2768, 3448, 3806, 4741, 5363, 5456, 5536, 6896, 7612, 9482, 10726, 10912, 13361, 13792, 15224, 18964, 21452, 26722, 30448, 37928, 42904, 53444, 58993, 60896, 74563, 75856, 85808, 106888, 117986, 146971, 149126, 151712, 171616, 213776, 235972, 293942, 298252, 427552, 471944, 587884, 596504, 820193, 943888, 1175768, 1193008, 1640386, 1887776, 2311453, 2351536, 2386016, 3280772, 4622906, 4703072, 6561544, 9245812, 13123088, 18491624, 25425983, 26246176, 36983248, 50851966, 73966496, 101703932, 203407864, 406815728, 813631456]

約数ペア:

[(1, 813631456), (2, 406815728), (4, 203407864), (8, 101703932), (11, 73966496), (16, 50851966), (22, 36983248), (31, 26246176), (32, 25425983), (44, 18491624), (62, 13123088), (88, 9245812), (124, 6561544), (173, 4703072), (176, 4622906), (248, 3280772), (341, 2386016), (346, 2351536), (352, 2311453), (431, 1887776), (496, 1640386), (682, 1193008), (692, 1175768), (862, 943888), (992, 820193), (1364, 596504), (1384, 587884), (1724, 471944), (1903, 427552), (2728, 298252), (2768, 293942), (3448, 235972), (3806, 213776), (4741, 171616), (5363, 151712), (5456, 149126), (5536, 146971), (6896, 117986), (7612, 106888), (9482, 85808), (10726, 75856), (10912, 74563), (13361, 60896), (13792, 58993), (15224, 53444), (18964, 42904), (21452, 37928), (26722, 30448)]