81731104

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 212502528

約数和(自身を除く): 130771424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 68, 91, 104, 112, 119, 127, 136, 169, 182, 208, 221, 224, 238, 254, 272, 338, 364, 416, 442, 476, 508, 544, 676, 728, 884, 889, 952, 1016, 1183, 1352, 1456, 1547, 1651, 1768, 1778, 1904, 2032, 2159, 2366, 2704, 2873, 2912, 3094, 3302, 3536, 3556, 3808, 4064, 4318, 4732, 5408, 5746, 6188, 6604, 7072, 7112, 8636, 9464, 11492, 11557, 12376, 13208, 14224, 15113, 17272, 18928, 20111, 21463, 22984, 23114, 24752, 26416, 28067, 28448, 30226, 34544, 37856, 40222, 42926, 45968, 46228, 49504, 52832, 56134, 60452, 69088, 80444, 85852, 91936, 92456, 112268, 120904, 150241, 160888, 171704, 184912, 196469, 224536, 241808, 300482, 321776, 343408, 364871, 369824, 392938, 449072, 483616, 600964, 643552, 686816, 729742, 785876, 898144, 1201928, 1459484, 1571752, 2403856, 2554097, 2918968, 3143504, 4807712, 5108194, 5837936, 6287008, 10216388, 11675872, 20432776, 40865552, 81731104]

約数ペア:

[(1, 81731104), (2, 40865552), (4, 20432776), (7, 11675872), (8, 10216388), (13, 6287008), (14, 5837936), (16, 5108194), (17, 4807712), (26, 3143504), (28, 2918968), (32, 2554097), (34, 2403856), (52, 1571752), (56, 1459484), (68, 1201928), (91, 898144), (104, 785876), (112, 729742), (119, 686816), (127, 643552), (136, 600964), (169, 483616), (182, 449072), (208, 392938), (221, 369824), (224, 364871), (238, 343408), (254, 321776), (272, 300482), (338, 241808), (364, 224536), (416, 196469), (442, 184912), (476, 171704), (508, 160888), (544, 150241), (676, 120904), (728, 112268), (884, 92456), (889, 91936), (952, 85852), (1016, 80444), (1183, 69088), (1352, 60452), (1456, 56134), (1547, 52832), (1651, 49504), (1768, 46228), (1778, 45968), (1904, 42926), (2032, 40222), (2159, 37856), (2366, 34544), (2704, 30226), (2873, 28448), (2912, 28067), (3094, 26416), (3302, 24752), (3536, 23114), (3556, 22984), (3808, 21463), (4064, 20111), (4318, 18928), (4732, 17272), (5408, 15113), (5746, 14224), (6188, 13208), (6604, 12376), (7072, 11557), (7112, 11492), (8636, 9464)]