About the Number

131121408

131121407 ← → 131121409

2進数表記:111110100001100000100000000

漢数字表記:一億三千百十二万千四百八

素因数分解:

2 8 × 3 1 × 11 2 × 17 1 × 83 1

素因数の和:141
約数の個数: 216
約数和(自身を含む): 411040224
約数和(自身を除く): 279918816

約数列:
[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 44, 48, 51, 64, 66, 68, 83, 88, 96, 102, 121, 128, 132, 136, 166, 176, 187, 192, 204, 242, 249, 256, 264, 272, 332, 352, 363, 374, 384, 408, 484, 498, 528, 544, 561, 664, 704, 726, 748, 768, 816, 913, 968, 996, 1056, 1088, 1122, 1328, 1408, 1411, 1452, 1496, 1632, 1826, 1936, 1992, 2057, 2112, 2176, 2244, 2656, 2739, 2816, 2822, 2904, 2992, 3264, 3652, 3872, 3984, 4114, 4224, 4233, 4352, 4488, 5312, 5478, 5644, 5808, 5984, 6171, 6528, 7304, 7744, 7968, 8228, 8448, 8466, 8976, 10043, 10624, 10956, 11288, 11616, 11968, 12342, 13056, 14608, 15488, 15521, 15936, 16456, 16932, 17952, 20086, 21248, 21912, 22576, 23232, 23936, 24684, 29216, 30129, 30976, 31042, 31872, 32912, 33864, 35904, 40172, 43824, 45152, 46464, 46563, 47872, 49368, 58432, 60258, 62084, 63744, 65824, 67728, 71808, 80344, 87648, 90304, 92928, 93126, 98736, 116864, 120516, 124168, 131648, 135456, 143616, 160688, 170731, 175296, 180608, 186252, 197472, 233728, 241032, 248336, 263296, 270912, 321376, 341462, 350592, 361216, 372504, 394944, 482064, 496672, 512193, 526592, 541824, 642752, 682924, 701184, 745008, 789888, 964128, 993344, 1024386, 1083648, 1285504, 1365848, 1490016, 1579776, 1928256, 1986688, 2048772, 2571008, 2731696, 2980032, 3856512, 3973376, 4097544, 5463392, 5960064, 7713024, 8195088, 10926784, 11920128, 16390176, 21853568, 32780352, 43707136, 65560704, 131121408]

約数ペア:
[(1, 131121408), (2, 65560704), (3, 43707136), (4, 32780352), (6, 21853568), (8, 16390176), (11, 11920128), (12, 10926784), (16, 8195088), (17, 7713024), (22, 5960064), (24, 5463392), (32, 4097544), (33, 3973376), (34, 3856512), (44, 2980032), (48, 2731696), (51, 2571008), (64, 2048772), (66, 1986688), (68, 1928256), (83, 1579776), (88, 1490016), (96, 1365848), (102, 1285504), (121, 1083648), (128, 1024386), (132, 993344), (136, 964128), (166, 789888), (176, 745008), (187, 701184), (192, 682924), (204, 642752), (242, 541824), (249, 526592), (256, 512193), (264, 496672), (272, 482064), (332, 394944), (352, 372504), (363, 361216), (374, 350592), (384, 341462), (408, 321376), (484, 270912), (498, 263296), (528, 248336), (544, 241032), (561, 233728), (664, 197472), (704, 186252), (726, 180608), (748, 175296), (768, 170731), (816, 160688), (913, 143616), (968, 135456), (996, 131648), (1056, 124168), (1088, 120516), (1122, 116864), (1328, 98736), (1408, 93126), (1411, 92928), (1452, 90304), (1496, 87648), (1632, 80344), (1826, 71808), (1936, 67728), (1992, 65824), (2057, 63744), (2112, 62084), (2176, 60258), (2244, 58432), (2656, 49368), (2739, 47872), (2816, 46563), (2822, 46464), (2904, 45152), (2992, 43824), (3264, 40172), (3652, 35904), (3872, 33864), (3984, 32912), (4114, 31872), (4224, 31042), (4233, 30976), (4352, 30129), (4488, 29216), (5312, 24684), (5478, 23936), (5644, 23232), (5808, 22576), (5984, 21912), (6171, 21248), (6528, 20086), (7304, 17952), (7744, 16932), (7968, 16456), (8228, 15936), (8448, 15521), (8466, 15488), (8976, 14608), (10043, 13056), (10624, 12342), (10956, 11968), (11288, 11616)]

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