51139816

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 118944000

約数和(自身を除く): 67804184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 199, 353, 364, 398, 706, 728, 796, 1393, 1412, 1592, 2471, 2587, 2786, 2824, 4589, 4942, 5174, 5572, 9178, 9884, 10348, 11144, 18109, 18356, 19768, 20696, 32123, 36218, 36712, 64246, 70247, 72436, 128492, 140494, 144872, 256984, 280988, 491729, 561976, 913211, 983458, 1826422, 1966916, 3652844, 3933832, 6392477, 7305688, 12784954, 25569908, 51139816]

約数ペア:

[(1, 51139816), (2, 25569908), (4, 12784954), (7, 7305688), (8, 6392477), (13, 3933832), (14, 3652844), (26, 1966916), (28, 1826422), (52, 983458), (56, 913211), (91, 561976), (104, 491729), (182, 280988), (199, 256984), (353, 144872), (364, 140494), (398, 128492), (706, 72436), (728, 70247), (796, 64246), (1393, 36712), (1412, 36218), (1592, 32123), (2471, 20696), (2587, 19768), (2786, 18356), (2824, 18109), (4589, 11144), (4942, 10348), (5174, 9884), (5572, 9178)]