128421384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:619

約数の個数: 128

約数和(自身を含む): 399114240

約数和(自身を除く): 270692856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 127, 156, 168, 182, 254, 273, 312, 364, 381, 463, 508, 546, 728, 762, 889, 926, 1016, 1092, 1389, 1524, 1651, 1778, 1852, 2184, 2667, 2778, 3048, 3241, 3302, 3556, 3704, 4953, 5334, 5556, 6019, 6482, 6604, 7112, 9723, 9906, 10668, 11112, 11557, 12038, 12964, 13208, 18057, 19446, 19812, 21336, 23114, 24076, 25928, 34671, 36114, 38892, 39624, 42133, 46228, 48152, 58801, 69342, 72228, 77784, 84266, 92456, 117602, 126399, 138684, 144456, 168532, 176403, 235204, 252798, 277368, 337064, 352806, 411607, 470408, 505596, 705612, 764413, 823214, 1011192, 1234821, 1411224, 1528826, 1646428, 2293239, 2469642, 3057652, 3292856, 4586478, 4939284, 5350891, 6115304, 9172956, 9878568, 10701782, 16052673, 18345912, 21403564, 32105346, 42807128, 64210692, 128421384]

約数ペア:

[(1, 128421384), (2, 64210692), (3, 42807128), (4, 32105346), (6, 21403564), (7, 18345912), (8, 16052673), (12, 10701782), (13, 9878568), (14, 9172956), (21, 6115304), (24, 5350891), (26, 4939284), (28, 4586478), (39, 3292856), (42, 3057652), (52, 2469642), (56, 2293239), (78, 1646428), (84, 1528826), (91, 1411224), (104, 1234821), (127, 1011192), (156, 823214), (168, 764413), (182, 705612), (254, 505596), (273, 470408), (312, 411607), (364, 352806), (381, 337064), (463, 277368), (508, 252798), (546, 235204), (728, 176403), (762, 168532), (889, 144456), (926, 138684), (1016, 126399), (1092, 117602), (1389, 92456), (1524, 84266), (1651, 77784), (1778, 72228), (1852, 69342), (2184, 58801), (2667, 48152), (2778, 46228), (3048, 42133), (3241, 39624), (3302, 38892), (3556, 36114), (3704, 34671), (4953, 25928), (5334, 24076), (5556, 23114), (6019, 21336), (6482, 19812), (6604, 19446), (7112, 18057), (9723, 13208), (9906, 12964), (10668, 12038), (11112, 11557)]