258711376

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:393

約数の個数: 120

約数和(自身を含む): 643753440

約数和(自身を除く): 385042064

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 131, 154, 176, 196, 229, 262, 308, 392, 458, 524, 539, 616, 784, 916, 917, 1048, 1078, 1232, 1441, 1603, 1832, 1834, 2096, 2156, 2519, 2882, 3206, 3664, 3668, 4312, 5038, 5764, 6412, 6419, 7336, 8624, 10076, 10087, 11221, 11528, 12824, 12838, 14672, 17633, 20152, 20174, 22442, 23056, 25648, 25676, 29999, 35266, 40304, 40348, 44884, 51352, 59998, 70532, 70609, 80696, 89768, 102704, 119996, 123431, 141064, 141218, 161392, 179536, 209993, 239992, 246862, 282128, 282436, 329989, 419986, 479984, 493724, 564872, 659978, 839972, 987448, 1129744, 1319956, 1469951, 1679944, 1974896, 2309923, 2639912, 2939902, 3359888, 4619846, 5279824, 5879804, 9239692, 11759608, 16169461, 18479384, 23519216, 32338922, 36958768, 64677844, 129355688, 258711376]

約数ペア:

[(1, 258711376), (2, 129355688), (4, 64677844), (7, 36958768), (8, 32338922), (11, 23519216), (14, 18479384), (16, 16169461), (22, 11759608), (28, 9239692), (44, 5879804), (49, 5279824), (56, 4619846), (77, 3359888), (88, 2939902), (98, 2639912), (112, 2309923), (131, 1974896), (154, 1679944), (176, 1469951), (196, 1319956), (229, 1129744), (262, 987448), (308, 839972), (392, 659978), (458, 564872), (524, 493724), (539, 479984), (616, 419986), (784, 329989), (916, 282436), (917, 282128), (1048, 246862), (1078, 239992), (1232, 209993), (1441, 179536), (1603, 161392), (1832, 141218), (1834, 141064), (2096, 123431), (2156, 119996), (2519, 102704), (2882, 89768), (3206, 80696), (3664, 70609), (3668, 70532), (4312, 59998), (5038, 51352), (5764, 44884), (6412, 40348), (6419, 40304), (7336, 35266), (8624, 29999), (10076, 25676), (10087, 25648), (11221, 23056), (11528, 22442), (12824, 20174), (12838, 20152), (14672, 17633)]