216365968

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 180

約数和(自身を含む): 558767808

約数和(自身を除く): 342401840

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 49, 52, 56, 71, 91, 92, 98, 104, 112, 142, 161, 169, 182, 184, 196, 208, 284, 299, 322, 338, 364, 368, 392, 497, 568, 598, 637, 644, 676, 728, 784, 923, 994, 1127, 1136, 1183, 1196, 1274, 1288, 1352, 1456, 1633, 1846, 1988, 2093, 2254, 2366, 2392, 2548, 2576, 2704, 3266, 3479, 3692, 3887, 3976, 4186, 4508, 4732, 4784, 5096, 6461, 6532, 6958, 7384, 7774, 7952, 8281, 8372, 9016, 9464, 10192, 11431, 11999, 12922, 13064, 13916, 14651, 14768, 15548, 16562, 16744, 18032, 18928, 21229, 22862, 23998, 25844, 26128, 27209, 27832, 29302, 31096, 33124, 33488, 42458, 45227, 45724, 47996, 51688, 54418, 55664, 58604, 62192, 66248, 80017, 83993, 84916, 90454, 91448, 95992, 103376, 108836, 117208, 132496, 148603, 160034, 167986, 169832, 180908, 182896, 190463, 191984, 217672, 234416, 275977, 297206, 320068, 335972, 339664, 361816, 380926, 435344, 551954, 587951, 594412, 640136, 671944, 723632, 761852, 1040221, 1103908, 1175902, 1188824, 1280272, 1343888, 1523704, 1931839, 2080442, 2207816, 2351804, 2377648, 3047408, 3863678, 4160884, 4415632, 4703608, 7727356, 8321768, 9407216, 13522873, 15454712, 16643536, 27045746, 30909424, 54091492, 108182984, 216365968]

約数ペア:

[(1, 216365968), (2, 108182984), (4, 54091492), (7, 30909424), (8, 27045746), (13, 16643536), (14, 15454712), (16, 13522873), (23, 9407216), (26, 8321768), (28, 7727356), (46, 4703608), (49, 4415632), (52, 4160884), (56, 3863678), (71, 3047408), (91, 2377648), (92, 2351804), (98, 2207816), (104, 2080442), (112, 1931839), (142, 1523704), (161, 1343888), (169, 1280272), (182, 1188824), (184, 1175902), (196, 1103908), (208, 1040221), (284, 761852), (299, 723632), (322, 671944), (338, 640136), (364, 594412), (368, 587951), (392, 551954), (497, 435344), (568, 380926), (598, 361816), (637, 339664), (644, 335972), (676, 320068), (728, 297206), (784, 275977), (923, 234416), (994, 217672), (1127, 191984), (1136, 190463), (1183, 182896), (1196, 180908), (1274, 169832), (1288, 167986), (1352, 160034), (1456, 148603), (1633, 132496), (1846, 117208), (1988, 108836), (2093, 103376), (2254, 95992), (2366, 91448), (2392, 90454), (2548, 84916), (2576, 83993), (2704, 80017), (3266, 66248), (3479, 62192), (3692, 58604), (3887, 55664), (3976, 54418), (4186, 51688), (4508, 47996), (4732, 45724), (4784, 45227), (5096, 42458), (6461, 33488), (6532, 33124), (6958, 31096), (7384, 29302), (7774, 27832), (7952, 27209), (8281, 26128), (8372, 25844), (9016, 23998), (9464, 22862), (10192, 21229), (11431, 18928), (11999, 18032), (12922, 16744), (13064, 16562), (13916, 15548), (14651, 14768)]