31999872

素因数分解:

$2^7\times 3^1\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 85680000

約数和(自身を除く): 53680128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 167, 192, 334, 384, 499, 501, 668, 998, 1002, 1336, 1497, 1996, 2004, 2672, 2994, 3992, 4008, 5344, 5988, 7984, 8016, 10688, 11976, 15968, 16032, 21376, 23952, 31936, 32064, 47904, 63872, 64128, 83333, 95808, 166666, 191616, 249999, 333332, 499998, 666664, 999996, 1333328, 1999992, 2666656, 3999984, 5333312, 7999968, 10666624, 15999936, 31999872]

約数ペア:

[(1, 31999872), (2, 15999936), (3, 10666624), (4, 7999968), (6, 5333312), (8, 3999984), (12, 2666656), (16, 1999992), (24, 1333328), (32, 999996), (48, 666664), (64, 499998), (96, 333332), (128, 249999), (167, 191616), (192, 166666), (334, 95808), (384, 83333), (499, 64128), (501, 63872), (668, 47904), (998, 32064), (1002, 31936), (1336, 23952), (1497, 21376), (1996, 16032), (2004, 15968), (2672, 11976), (2994, 10688), (3992, 8016), (4008, 7984), (5344, 5988)]