81151744

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 177705360

約数和(自身を除く): 96553616

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 116, 128, 136, 232, 256, 272, 464, 493, 544, 643, 928, 986, 1088, 1286, 1856, 1972, 2176, 2572, 3712, 3944, 4352, 5144, 7424, 7888, 10288, 10931, 15776, 18647, 20576, 21862, 31552, 37294, 41152, 43724, 63104, 74588, 82304, 87448, 126208, 149176, 164608, 174896, 298352, 316999, 349792, 596704, 633998, 699584, 1193408, 1267996, 1399168, 2386816, 2535992, 2798336, 4773632, 5071984, 10143968, 20287936, 40575872, 81151744]

約数ペア:

[(1, 81151744), (2, 40575872), (4, 20287936), (8, 10143968), (16, 5071984), (17, 4773632), (29, 2798336), (32, 2535992), (34, 2386816), (58, 1399168), (64, 1267996), (68, 1193408), (116, 699584), (128, 633998), (136, 596704), (232, 349792), (256, 316999), (272, 298352), (464, 174896), (493, 164608), (544, 149176), (643, 126208), (928, 87448), (986, 82304), (1088, 74588), (1286, 63104), (1856, 43724), (1972, 41152), (2176, 37294), (2572, 31552), (3712, 21862), (3944, 20576), (4352, 18647), (5144, 15776), (7424, 10931), (7888, 10288)]