251459104

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 599064984

約数和(自身を除く): 347605880

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 32, 34, 37, 52, 62, 68, 74, 104, 124, 136, 148, 208, 221, 248, 272, 296, 403, 416, 442, 481, 496, 527, 544, 592, 629, 806, 884, 961, 962, 992, 1054, 1147, 1184, 1258, 1612, 1768, 1922, 1924, 2108, 2294, 2516, 3224, 3536, 3844, 3848, 4216, 4588, 5032, 6448, 6851, 7072, 7688, 7696, 8177, 8432, 9176, 10064, 12493, 12896, 13702, 14911, 15376, 15392, 16337, 16354, 16864, 18352, 19499, 20128, 24986, 27404, 29822, 30752, 32674, 32708, 35557, 36704, 38998, 49972, 54808, 59644, 65348, 65416, 71114, 77996, 99944, 109616, 119288, 130696, 130832, 142228, 155992, 199888, 212381, 219232, 238576, 253487, 261392, 261664, 284456, 311984, 399776, 424762, 462241, 477152, 506974, 522784, 568912, 604469, 623968, 849524, 924482, 1013948, 1137824, 1208938, 1699048, 1848964, 2027896, 2417876, 3398096, 3697928, 4055792, 4835752, 6796192, 7395856, 7858097, 8111584, 9671504, 14791712, 15716194, 19343008, 31432388, 62864776, 125729552, 251459104]

約数ペア:

[(1, 251459104), (2, 125729552), (4, 62864776), (8, 31432388), (13, 19343008), (16, 15716194), (17, 14791712), (26, 9671504), (31, 8111584), (32, 7858097), (34, 7395856), (37, 6796192), (52, 4835752), (62, 4055792), (68, 3697928), (74, 3398096), (104, 2417876), (124, 2027896), (136, 1848964), (148, 1699048), (208, 1208938), (221, 1137824), (248, 1013948), (272, 924482), (296, 849524), (403, 623968), (416, 604469), (442, 568912), (481, 522784), (496, 506974), (527, 477152), (544, 462241), (592, 424762), (629, 399776), (806, 311984), (884, 284456), (961, 261664), (962, 261392), (992, 253487), (1054, 238576), (1147, 219232), (1184, 212381), (1258, 199888), (1612, 155992), (1768, 142228), (1922, 130832), (1924, 130696), (2108, 119288), (2294, 109616), (2516, 99944), (3224, 77996), (3536, 71114), (3844, 65416), (3848, 65348), (4216, 59644), (4588, 54808), (5032, 49972), (6448, 38998), (6851, 36704), (7072, 35557), (7688, 32708), (7696, 32674), (8177, 30752), (8432, 29822), (9176, 27404), (10064, 24986), (12493, 20128), (12896, 19499), (13702, 18352), (14911, 16864), (15376, 16354), (15392, 16337)]