261607808

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 192

約数和(自身を含む): 694579200

約数和(自身を除く): 432971392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 88, 112, 121, 127, 128, 133, 152, 154, 176, 209, 224, 242, 254, 266, 304, 308, 352, 418, 448, 484, 508, 532, 608, 616, 704, 836, 847, 889, 896, 968, 1016, 1064, 1216, 1232, 1397, 1408, 1463, 1672, 1694, 1778, 1936, 2032, 2128, 2299, 2413, 2432, 2464, 2794, 2926, 3344, 3388, 3556, 3872, 4064, 4256, 4598, 4826, 4928, 5588, 5852, 6688, 6776, 7112, 7744, 8128, 8512, 9196, 9652, 9779, 9856, 11176, 11704, 13376, 13552, 14224, 15367, 15488, 16093, 16256, 16891, 17024, 18392, 19304, 19558, 22352, 23408, 26543, 26752, 27104, 28448, 30734, 32186, 33782, 36784, 38608, 39116, 44704, 46816, 53086, 54208, 56896, 61468, 64372, 67564, 73568, 77216, 78232, 89408, 93632, 106172, 107569, 108416, 113792, 122936, 128744, 135128, 147136, 154432, 156464, 178816, 185801, 187264, 212344, 215138, 245872, 257488, 270256, 291973, 294272, 308864, 312928, 371602, 424688, 430276, 491744, 514976, 540512, 583946, 625856, 743204, 849376, 860552, 983488, 1029952, 1081024, 1167892, 1251712, 1486408, 1698752, 1721104, 1966976, 2043811, 2059904, 2162048, 2335784, 2972816, 3397504, 3442208, 4087622, 4671568, 5945632, 6884416, 8175244, 9343136, 11891264, 13768832, 16350488, 18686272, 23782528, 32700976, 37372544, 65401952, 130803904, 261607808]

約数ペア:

[(1, 261607808), (2, 130803904), (4, 65401952), (7, 37372544), (8, 32700976), (11, 23782528), (14, 18686272), (16, 16350488), (19, 13768832), (22, 11891264), (28, 9343136), (32, 8175244), (38, 6884416), (44, 5945632), (56, 4671568), (64, 4087622), (76, 3442208), (77, 3397504), (88, 2972816), (112, 2335784), (121, 2162048), (127, 2059904), (128, 2043811), (133, 1966976), (152, 1721104), (154, 1698752), (176, 1486408), (209, 1251712), (224, 1167892), (242, 1081024), (254, 1029952), (266, 983488), (304, 860552), (308, 849376), (352, 743204), (418, 625856), (448, 583946), (484, 540512), (508, 514976), (532, 491744), (608, 430276), (616, 424688), (704, 371602), (836, 312928), (847, 308864), (889, 294272), (896, 291973), (968, 270256), (1016, 257488), (1064, 245872), (1216, 215138), (1232, 212344), (1397, 187264), (1408, 185801), (1463, 178816), (1672, 156464), (1694, 154432), (1778, 147136), (1936, 135128), (2032, 128744), (2128, 122936), (2299, 113792), (2413, 108416), (2432, 107569), (2464, 106172), (2794, 93632), (2926, 89408), (3344, 78232), (3388, 77216), (3556, 73568), (3872, 67564), (4064, 64372), (4256, 61468), (4598, 56896), (4826, 54208), (4928, 53086), (5588, 46816), (5852, 44704), (6688, 39116), (6776, 38608), (7112, 36784), (7744, 33782), (8128, 32186), (8512, 30734), (9196, 28448), (9652, 27104), (9779, 26752), (9856, 26543), (11176, 23408), (11704, 22352), (13376, 19558), (13552, 19304), (14224, 18392), (15367, 17024), (15488, 16891), (16093, 16256)]