199892004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1999}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 503328000

約数和(自身を除く): 303435996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 641, 1282, 1923, 1999, 2564, 3846, 3998, 5997, 7692, 7996, 8333, 11994, 16666, 23988, 24999, 25987, 33332, 49998, 51974, 77961, 99996, 103948, 155922, 311844, 1281359, 2562718, 3844077, 5125436, 7688154, 15376308, 16657667, 33315334, 49973001, 66630668, 99946002, 199892004]

約数ペア:

[(1, 199892004), (2, 99946002), (3, 66630668), (4, 49973001), (6, 33315334), (12, 16657667), (13, 15376308), (26, 7688154), (39, 5125436), (52, 3844077), (78, 2562718), (156, 1281359), (641, 311844), (1282, 155922), (1923, 103948), (1999, 99996), (2564, 77961), (3846, 51974), (3998, 49998), (5997, 33332), (7692, 25987), (7996, 24999), (8333, 23988), (11994, 16666)]