16007992

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2036

約数の個数: 64

約数和(自身を含む): 40320000

約数和(自身を除く): 24312008

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 1999, 2002, 3998, 4004, 7996, 8008, 13993, 15992, 21989, 25987, 27986, 43978, 51974, 55972, 87956, 103948, 111944, 153923, 175912, 181909, 207896, 285857, 307846, 363818, 571714, 615692, 727636, 1143428, 1231384, 1455272, 2000999, 2286856, 4001998, 8003996, 16007992]

約数ペア:

[(1, 16007992), (2, 8003996), (4, 4001998), (7, 2286856), (8, 2000999), (11, 1455272), (13, 1231384), (14, 1143428), (22, 727636), (26, 615692), (28, 571714), (44, 363818), (52, 307846), (56, 285857), (77, 207896), (88, 181909), (91, 175912), (104, 153923), (143, 111944), (154, 103948), (182, 87956), (286, 55972), (308, 51974), (364, 43978), (572, 27986), (616, 25987), (728, 21989), (1001, 15992), (1144, 13993), (1999, 8008), (2002, 7996), (3998, 4004)]