221678784

素因数分解:

$2^6\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:647

約数の個数: 168

約数和(自身を含む): 687080160

約数和(自身を除く): 465401376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 29, 32, 36, 46, 48, 58, 64, 69, 72, 87, 92, 96, 116, 138, 144, 174, 184, 192, 207, 232, 261, 276, 288, 348, 368, 414, 464, 522, 552, 576, 577, 667, 696, 736, 828, 928, 1044, 1104, 1154, 1334, 1392, 1472, 1656, 1731, 1856, 2001, 2088, 2208, 2308, 2668, 2784, 3312, 3462, 4002, 4176, 4416, 4616, 5193, 5336, 5568, 6003, 6624, 6924, 8004, 8352, 9232, 10386, 10672, 12006, 13248, 13271, 13848, 16008, 16704, 16733, 18464, 20772, 21344, 24012, 26542, 27696, 32016, 33466, 36928, 39813, 41544, 42688, 48024, 50199, 53084, 55392, 64032, 66932, 79626, 83088, 96048, 100398, 106168, 110784, 119439, 128064, 133864, 150597, 159252, 166176, 192096, 200796, 212336, 238878, 267728, 301194, 318504, 332352, 384192, 384859, 401592, 424672, 477756, 535456, 602388, 637008, 769718, 803184, 849344, 955512, 1070912, 1154577, 1204776, 1274016, 1539436, 1606368, 1911024, 2309154, 2409552, 2548032, 3078872, 3212736, 3463731, 3822048, 4618308, 4819104, 6157744, 6927462, 7644096, 9236616, 9638208, 12315488, 13854924, 18473232, 24630976, 27709848, 36946464, 55419696, 73892928, 110839392, 221678784]

約数ペア:

[(1, 221678784), (2, 110839392), (3, 73892928), (4, 55419696), (6, 36946464), (8, 27709848), (9, 24630976), (12, 18473232), (16, 13854924), (18, 12315488), (23, 9638208), (24, 9236616), (29, 7644096), (32, 6927462), (36, 6157744), (46, 4819104), (48, 4618308), (58, 3822048), (64, 3463731), (69, 3212736), (72, 3078872), (87, 2548032), (92, 2409552), (96, 2309154), (116, 1911024), (138, 1606368), (144, 1539436), (174, 1274016), (184, 1204776), (192, 1154577), (207, 1070912), (232, 955512), (261, 849344), (276, 803184), (288, 769718), (348, 637008), (368, 602388), (414, 535456), (464, 477756), (522, 424672), (552, 401592), (576, 384859), (577, 384192), (667, 332352), (696, 318504), (736, 301194), (828, 267728), (928, 238878), (1044, 212336), (1104, 200796), (1154, 192096), (1334, 166176), (1392, 159252), (1472, 150597), (1656, 133864), (1731, 128064), (1856, 119439), (2001, 110784), (2088, 106168), (2208, 100398), (2308, 96048), (2668, 83088), (2784, 79626), (3312, 66932), (3462, 64032), (4002, 55392), (4176, 53084), (4416, 50199), (4616, 48024), (5193, 42688), (5336, 41544), (5568, 39813), (6003, 36928), (6624, 33466), (6924, 32016), (8004, 27696), (8352, 26542), (9232, 24012), (10386, 21344), (10672, 20772), (12006, 18464), (13248, 16733), (13271, 16704), (13848, 16008)]