64031968

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2040

約数の個数: 96

約数和(自身を含む): 169344000

約数和(自身を除く): 105312032

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 572, 616, 728, 1001, 1144, 1232, 1456, 1999, 2002, 2288, 2464, 2912, 3998, 4004, 4576, 7996, 8008, 13993, 15992, 16016, 21989, 25987, 27986, 31984, 32032, 43978, 51974, 55972, 63968, 87956, 103948, 111944, 153923, 175912, 181909, 207896, 223888, 285857, 307846, 351824, 363818, 415792, 447776, 571714, 615692, 703648, 727636, 831584, 1143428, 1231384, 1455272, 2000999, 2286856, 2462768, 2910544, 4001998, 4573712, 4925536, 5821088, 8003996, 9147424, 16007992, 32015984, 64031968]

約数ペア:

[(1, 64031968), (2, 32015984), (4, 16007992), (7, 9147424), (8, 8003996), (11, 5821088), (13, 4925536), (14, 4573712), (16, 4001998), (22, 2910544), (26, 2462768), (28, 2286856), (32, 2000999), (44, 1455272), (52, 1231384), (56, 1143428), (77, 831584), (88, 727636), (91, 703648), (104, 615692), (112, 571714), (143, 447776), (154, 415792), (176, 363818), (182, 351824), (208, 307846), (224, 285857), (286, 223888), (308, 207896), (352, 181909), (364, 175912), (416, 153923), (572, 111944), (616, 103948), (728, 87956), (1001, 63968), (1144, 55972), (1232, 51974), (1456, 43978), (1999, 32032), (2002, 31984), (2288, 27986), (2464, 25987), (2912, 21989), (3998, 16016), (4004, 15992), (4576, 13993), (7996, 8008)]