81467008

素因数分解:

$2^7\times 7^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 195350400

約数和(自身を除く): 113883392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 392, 419, 434, 448, 496, 784, 838, 868, 896, 992, 1519, 1568, 1676, 1736, 1984, 2933, 3038, 3136, 3352, 3472, 3968, 5866, 6076, 6272, 6704, 6944, 11732, 12152, 12989, 13408, 13888, 20531, 23464, 24304, 25978, 26816, 27776, 41062, 46928, 48608, 51956, 53632, 82124, 90923, 93856, 97216, 103912, 164248, 181846, 187712, 194432, 207824, 328496, 363692, 375424, 415648, 636461, 656992, 727384, 831296, 1272922, 1313984, 1454768, 1662592, 2545844, 2627968, 2909536, 5091688, 5819072, 10183376, 11638144, 20366752, 40733504, 81467008]

約数ペア:

[(1, 81467008), (2, 40733504), (4, 20366752), (7, 11638144), (8, 10183376), (14, 5819072), (16, 5091688), (28, 2909536), (31, 2627968), (32, 2545844), (49, 1662592), (56, 1454768), (62, 1313984), (64, 1272922), (98, 831296), (112, 727384), (124, 656992), (128, 636461), (196, 415648), (217, 375424), (224, 363692), (248, 328496), (392, 207824), (419, 194432), (434, 187712), (448, 181846), (496, 164248), (784, 103912), (838, 97216), (868, 93856), (896, 90923), (992, 82124), (1519, 53632), (1568, 51956), (1676, 48608), (1736, 46928), (1984, 41062), (2933, 27776), (3038, 26816), (3136, 25978), (3352, 24304), (3472, 23464), (3968, 20531), (5866, 13888), (6076, 13408), (6272, 12989), (6704, 12152), (6944, 11732)]