221369456

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 160

約数和(自身を含む): 577344000

約数和(自身を除く): 355974544

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 112, 133, 152, 154, 176, 193, 196, 209, 266, 304, 308, 343, 386, 392, 418, 532, 539, 616, 686, 772, 784, 836, 931, 1064, 1078, 1232, 1351, 1372, 1463, 1544, 1672, 1862, 2123, 2128, 2156, 2702, 2744, 2926, 3088, 3344, 3667, 3724, 3773, 4246, 4312, 5404, 5488, 5852, 6517, 7334, 7448, 7546, 8492, 8624, 9457, 10241, 10808, 11704, 13034, 14668, 14861, 14896, 15092, 16984, 18914, 20482, 21616, 23408, 25669, 26068, 29336, 29722, 30184, 33968, 37828, 40337, 40964, 51338, 52136, 58672, 59444, 60368, 66199, 71687, 75656, 80674, 81928, 102676, 104027, 104272, 118888, 132398, 143374, 151312, 161348, 163856, 179683, 205352, 208054, 237776, 264796, 282359, 286748, 322696, 359366, 410704, 416108, 529592, 564718, 573496, 645392, 718732, 728189, 832216, 1059184, 1129436, 1146992, 1257781, 1437464, 1456378, 1664432, 1976513, 2258872, 2515562, 2874928, 2912756, 3953026, 4517744, 5031124, 5825512, 7906052, 10062248, 11651024, 13835591, 15812104, 20124496, 27671182, 31624208, 55342364, 110684728, 221369456]

約数ペア:

[(1, 221369456), (2, 110684728), (4, 55342364), (7, 31624208), (8, 27671182), (11, 20124496), (14, 15812104), (16, 13835591), (19, 11651024), (22, 10062248), (28, 7906052), (38, 5825512), (44, 5031124), (49, 4517744), (56, 3953026), (76, 2912756), (77, 2874928), (88, 2515562), (98, 2258872), (112, 1976513), (133, 1664432), (152, 1456378), (154, 1437464), (176, 1257781), (193, 1146992), (196, 1129436), (209, 1059184), (266, 832216), (304, 728189), (308, 718732), (343, 645392), (386, 573496), (392, 564718), (418, 529592), (532, 416108), (539, 410704), (616, 359366), (686, 322696), (772, 286748), (784, 282359), (836, 264796), (931, 237776), (1064, 208054), (1078, 205352), (1232, 179683), (1351, 163856), (1372, 161348), (1463, 151312), (1544, 143374), (1672, 132398), (1862, 118888), (2123, 104272), (2128, 104027), (2156, 102676), (2702, 81928), (2744, 80674), (2926, 75656), (3088, 71687), (3344, 66199), (3667, 60368), (3724, 59444), (3773, 58672), (4246, 52136), (4312, 51338), (5404, 40964), (5488, 40337), (5852, 37828), (6517, 33968), (7334, 30184), (7448, 29722), (7546, 29336), (8492, 26068), (8624, 25669), (9457, 23408), (10241, 21616), (10808, 20482), (11704, 18914), (13034, 16984), (14668, 15092), (14861, 14896)]