199983712

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 431101440

約数和(自身を除く): 231117728

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 71, 86, 89, 92, 142, 172, 178, 184, 284, 344, 356, 368, 568, 688, 712, 736, 989, 1136, 1376, 1424, 1633, 1978, 2047, 2272, 2848, 3053, 3266, 3827, 3956, 4094, 6106, 6319, 6532, 7654, 7912, 8188, 12212, 12638, 13064, 15308, 15824, 16376, 24424, 25276, 26128, 30616, 31648, 32752, 48848, 50552, 52256, 61232, 65504, 70219, 88021, 97696, 101104, 122464, 140438, 145337, 176042, 202208, 271717, 280876, 290674, 352084, 543434, 561752, 581348, 704168, 1086868, 1123504, 1162696, 1408336, 2173736, 2247008, 2325392, 2816672, 4347472, 4650784, 6249491, 8694944, 12498982, 24997964, 49995928, 99991856, 199983712]

約数ペア:

[(1, 199983712), (2, 99991856), (4, 49995928), (8, 24997964), (16, 12498982), (23, 8694944), (32, 6249491), (43, 4650784), (46, 4347472), (71, 2816672), (86, 2325392), (89, 2247008), (92, 2173736), (142, 1408336), (172, 1162696), (178, 1123504), (184, 1086868), (284, 704168), (344, 581348), (356, 561752), (368, 543434), (568, 352084), (688, 290674), (712, 280876), (736, 271717), (989, 202208), (1136, 176042), (1376, 145337), (1424, 140438), (1633, 122464), (1978, 101104), (2047, 97696), (2272, 88021), (2848, 70219), (3053, 65504), (3266, 61232), (3827, 52256), (3956, 50552), (4094, 48848), (6106, 32752), (6319, 31648), (6532, 30616), (7654, 26128), (7912, 25276), (8188, 24424), (12212, 16376), (12638, 15824), (13064, 15308)]