81724928

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 80

約数和(自身を含む): 178083840

約数和(自身を除く): 96358912

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 271, 304, 496, 512, 542, 589, 608, 992, 1084, 1178, 1216, 1984, 2168, 2356, 2432, 3968, 4336, 4712, 4864, 5149, 7936, 8401, 8672, 9424, 9728, 10298, 15872, 16802, 17344, 18848, 20596, 33604, 34688, 37696, 41192, 67208, 69376, 75392, 82384, 134416, 138752, 150784, 159619, 164768, 268832, 301568, 319238, 329536, 537664, 638476, 659072, 1075328, 1276952, 1318144, 2150656, 2553904, 2636288, 4301312, 5107808, 10215616, 20431232, 40862464, 81724928]

約数ペア:

[(1, 81724928), (2, 40862464), (4, 20431232), (8, 10215616), (16, 5107808), (19, 4301312), (31, 2636288), (32, 2553904), (38, 2150656), (62, 1318144), (64, 1276952), (76, 1075328), (124, 659072), (128, 638476), (152, 537664), (248, 329536), (256, 319238), (271, 301568), (304, 268832), (496, 164768), (512, 159619), (542, 150784), (589, 138752), (608, 134416), (992, 82384), (1084, 75392), (1178, 69376), (1216, 67208), (1984, 41192), (2168, 37696), (2356, 34688), (2432, 33604), (3968, 20596), (4336, 18848), (4712, 17344), (4864, 16802), (5149, 15872), (7936, 10298), (8401, 9728), (8672, 9424)]