208103896

素因数分解:

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

素因数の和:2049

約数の個数: 96

約数和(自身を含む): 527040000

約数和(自身を除く): 318936104

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 169, 182, 286, 308, 338, 364, 572, 616, 676, 728, 1001, 1144, 1183, 1352, 1859, 1999, 2002, 2366, 3718, 3998, 4004, 4732, 7436, 7996, 8008, 9464, 13013, 13993, 14872, 15992, 21989, 25987, 26026, 27986, 43978, 51974, 52052, 55972, 87956, 103948, 104104, 111944, 153923, 175912, 181909, 207896, 285857, 307846, 337831, 363818, 571714, 615692, 675662, 727636, 1143428, 1231384, 1351324, 1455272, 2000999, 2286856, 2364817, 2702648, 3716141, 4001998, 4729634, 7432282, 8003996, 9459268, 14864564, 16007992, 18918536, 26012987, 29729128, 52025974, 104051948, 208103896]

約数ペア:

[(1, 208103896), (2, 104051948), (4, 52025974), (7, 29729128), (8, 26012987), (11, 18918536), (13, 16007992), (14, 14864564), (22, 9459268), (26, 8003996), (28, 7432282), (44, 4729634), (52, 4001998), (56, 3716141), (77, 2702648), (88, 2364817), (91, 2286856), (104, 2000999), (143, 1455272), (154, 1351324), (169, 1231384), (182, 1143428), (286, 727636), (308, 675662), (338, 615692), (364, 571714), (572, 363818), (616, 337831), (676, 307846), (728, 285857), (1001, 207896), (1144, 181909), (1183, 175912), (1352, 153923), (1859, 111944), (1999, 104104), (2002, 103948), (2366, 87956), (3718, 55972), (3998, 52052), (4004, 51974), (4732, 43978), (7436, 27986), (7996, 26026), (8008, 25987), (9464, 21989), (13013, 15992), (13993, 14872)]