87388672

素因数分解:

$2^9\times 7^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:721

約数の個数: 80

約数和(自身を含む): 205254720

約数和(自身を除く): 117866048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 448, 512, 518, 592, 659, 896, 1036, 1184, 1318, 1792, 2072, 2368, 2636, 3584, 4144, 4613, 4736, 5272, 8288, 9226, 9472, 10544, 16576, 18452, 18944, 21088, 24383, 33152, 36904, 42176, 48766, 66304, 73808, 84352, 97532, 132608, 147616, 168704, 170681, 195064, 295232, 337408, 341362, 390128, 590464, 682724, 780256, 1180928, 1365448, 1560512, 2361856, 2730896, 3121024, 5461792, 6242048, 10923584, 12484096, 21847168, 43694336, 87388672]

約数ペア:

[(1, 87388672), (2, 43694336), (4, 21847168), (7, 12484096), (8, 10923584), (14, 6242048), (16, 5461792), (28, 3121024), (32, 2730896), (37, 2361856), (56, 1560512), (64, 1365448), (74, 1180928), (112, 780256), (128, 682724), (148, 590464), (224, 390128), (256, 341362), (259, 337408), (296, 295232), (448, 195064), (512, 170681), (518, 168704), (592, 147616), (659, 132608), (896, 97532), (1036, 84352), (1184, 73808), (1318, 66304), (1792, 48766), (2072, 42176), (2368, 36904), (2636, 33152), (3584, 24383), (4144, 21088), (4613, 18944), (4736, 18452), (5272, 16576), (8288, 10544), (9226, 9472)]