131231744

素因数分解:

$2^{12}\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 104

約数和(自身を含む): 314534400

約数和(自身を除く): 183302656

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 199, 224, 256, 322, 368, 398, 448, 512, 644, 736, 796, 896, 1024, 1288, 1393, 1472, 1592, 1792, 2048, 2576, 2786, 2944, 3184, 3584, 4096, 4577, 5152, 5572, 5888, 6368, 7168, 9154, 10304, 11144, 11776, 12736, 14336, 18308, 20608, 22288, 23552, 25472, 28672, 32039, 36616, 41216, 44576, 47104, 50944, 64078, 73232, 82432, 89152, 94208, 101888, 128156, 146464, 164864, 178304, 203776, 256312, 292928, 329728, 356608, 407552, 512624, 585856, 659456, 713216, 815104, 1025248, 1171712, 1426432, 2050496, 2343424, 2852864, 4100992, 4686848, 5705728, 8201984, 9373696, 16403968, 18747392, 32807936, 65615872, 131231744]

約数ペア:

[(1, 131231744), (2, 65615872), (4, 32807936), (7, 18747392), (8, 16403968), (14, 9373696), (16, 8201984), (23, 5705728), (28, 4686848), (32, 4100992), (46, 2852864), (56, 2343424), (64, 2050496), (92, 1426432), (112, 1171712), (128, 1025248), (161, 815104), (184, 713216), (199, 659456), (224, 585856), (256, 512624), (322, 407552), (368, 356608), (398, 329728), (448, 292928), (512, 256312), (644, 203776), (736, 178304), (796, 164864), (896, 146464), (1024, 128156), (1288, 101888), (1393, 94208), (1472, 89152), (1592, 82432), (1792, 73232), (2048, 64078), (2576, 50944), (2786, 47104), (2944, 44576), (3184, 41216), (3584, 36616), (4096, 32039), (4577, 28672), (5152, 25472), (5572, 23552), (5888, 22288), (6368, 20608), (7168, 18308), (9154, 14336), (10304, 12736), (11144, 11776)]