391998432

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:693

約数の個数: 144

約数和(自身を含む): 1206576000

約数和(自身を除く): 814577568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 167, 168, 196, 224, 294, 334, 336, 392, 499, 501, 588, 668, 672, 784, 998, 1002, 1169, 1176, 1336, 1497, 1568, 1996, 2004, 2338, 2352, 2672, 2994, 3493, 3507, 3992, 4008, 4676, 4704, 5344, 5988, 6986, 7014, 7984, 8016, 8183, 9352, 10479, 11976, 13972, 14028, 15968, 16032, 16366, 18704, 20958, 23952, 24451, 24549, 27944, 28056, 32732, 37408, 41916, 47904, 48902, 49098, 55888, 56112, 65464, 73353, 83333, 83832, 97804, 98196, 111776, 112224, 130928, 146706, 166666, 167664, 195608, 196392, 249999, 261856, 293412, 333332, 335328, 391216, 392784, 499998, 583331, 586824, 666664, 782432, 785568, 999996, 1166662, 1173648, 1333328, 1749993, 1999992, 2333324, 2347296, 2666656, 3499986, 3999984, 4083317, 4666648, 6999972, 7999968, 8166634, 9333296, 12249951, 13999944, 16333268, 18666592, 24499902, 27999888, 32666536, 48999804, 55999776, 65333072, 97999608, 130666144, 195999216, 391998432]

約数ペア:

[(1, 391998432), (2, 195999216), (3, 130666144), (4, 97999608), (6, 65333072), (7, 55999776), (8, 48999804), (12, 32666536), (14, 27999888), (16, 24499902), (21, 18666592), (24, 16333268), (28, 13999944), (32, 12249951), (42, 9333296), (48, 8166634), (49, 7999968), (56, 6999972), (84, 4666648), (96, 4083317), (98, 3999984), (112, 3499986), (147, 2666656), (167, 2347296), (168, 2333324), (196, 1999992), (224, 1749993), (294, 1333328), (334, 1173648), (336, 1166662), (392, 999996), (499, 785568), (501, 782432), (588, 666664), (668, 586824), (672, 583331), (784, 499998), (998, 392784), (1002, 391216), (1169, 335328), (1176, 333332), (1336, 293412), (1497, 261856), (1568, 249999), (1996, 196392), (2004, 195608), (2338, 167664), (2352, 166666), (2672, 146706), (2994, 130928), (3493, 112224), (3507, 111776), (3992, 98196), (4008, 97804), (4676, 83832), (4704, 83333), (5344, 73353), (5988, 65464), (6986, 56112), (7014, 55888), (7984, 49098), (8016, 48902), (8183, 47904), (9352, 41916), (10479, 37408), (11976, 32732), (13972, 28056), (14028, 27944), (15968, 24549), (16032, 24451), (16366, 23952), (18704, 20958)]