2000997544

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{38713}}^1$

素因数の和:38810

約数の個数: 64

約数和(自身を含む): 4682845440

約数和(自身を除く): 2681847896

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 568, 728, 923, 994, 1846, 1988, 3692, 3976, 6461, 7384, 12922, 25844, 38713, 51688, 77426, 154852, 270991, 309704, 503269, 541982, 1006538, 1083964, 2013076, 2167928, 2748623, 3522883, 4026152, 5497246, 7045766, 10994492, 14091532, 19240361, 21988984, 28183064, 35732099, 38480722, 71464198, 76961444, 142928396, 153922888, 250124693, 285856792, 500249386, 1000498772, 2000997544]

約数ペア:

[(1, 2000997544), (2, 1000498772), (4, 500249386), (7, 285856792), (8, 250124693), (13, 153922888), (14, 142928396), (26, 76961444), (28, 71464198), (52, 38480722), (56, 35732099), (71, 28183064), (91, 21988984), (104, 19240361), (142, 14091532), (182, 10994492), (284, 7045766), (364, 5497246), (497, 4026152), (568, 3522883), (728, 2748623), (923, 2167928), (994, 2013076), (1846, 1083964), (1988, 1006538), (3692, 541982), (3976, 503269), (6461, 309704), (7384, 270991), (12922, 154852), (25844, 77426), (38713, 51688)]