81661184

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 181899648

約数和(自身を除く): 100238464

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 64, 88, 94, 128, 176, 188, 256, 352, 376, 517, 617, 704, 752, 1034, 1234, 1408, 1504, 2068, 2468, 2816, 3008, 4136, 4936, 6016, 6787, 8272, 9872, 12032, 13574, 16544, 19744, 27148, 28999, 33088, 39488, 54296, 57998, 66176, 78976, 108592, 115996, 132352, 157952, 217184, 231992, 318989, 434368, 463984, 637978, 868736, 927968, 1275956, 1737472, 1855936, 2551912, 3711872, 5103824, 7423744, 10207648, 20415296, 40830592, 81661184]

約数ペア:

[(1, 81661184), (2, 40830592), (4, 20415296), (8, 10207648), (11, 7423744), (16, 5103824), (22, 3711872), (32, 2551912), (44, 1855936), (47, 1737472), (64, 1275956), (88, 927968), (94, 868736), (128, 637978), (176, 463984), (188, 434368), (256, 318989), (352, 231992), (376, 217184), (517, 157952), (617, 132352), (704, 115996), (752, 108592), (1034, 78976), (1234, 66176), (1408, 57998), (1504, 54296), (2068, 39488), (2468, 33088), (2816, 28999), (3008, 27148), (4136, 19744), (4936, 16544), (6016, 13574), (6787, 12032), (8272, 9872)]