254438912

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 160

約数和(自身を含む): 645292032

約数和(自身を除く): 390853120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 64, 86, 91, 104, 112, 127, 128, 172, 182, 208, 224, 254, 256, 301, 344, 364, 416, 448, 508, 512, 559, 602, 688, 728, 832, 889, 896, 1016, 1118, 1204, 1376, 1456, 1651, 1664, 1778, 1792, 2032, 2236, 2408, 2752, 2912, 3302, 3328, 3556, 3584, 3913, 4064, 4472, 4816, 5461, 5504, 5824, 6604, 6656, 7112, 7826, 8128, 8944, 9632, 10922, 11008, 11557, 11648, 13208, 14224, 15652, 16256, 17888, 19264, 21844, 22016, 23114, 23296, 26416, 28448, 31304, 32512, 35776, 38227, 38528, 43688, 46228, 46592, 52832, 56896, 62608, 65024, 70993, 71552, 76454, 77056, 87376, 92456, 105664, 113792, 125216, 141986, 143104, 152908, 154112, 174752, 184912, 211328, 227584, 250432, 283972, 286208, 305816, 349504, 369824, 422656, 455168, 496951, 500864, 567944, 611632, 699008, 739648, 845312, 993902, 1001728, 1135888, 1223264, 1398016, 1479296, 1987804, 2003456, 2271776, 2446528, 2796032, 2958592, 3975608, 4543552, 4893056, 5917184, 7951216, 9087104, 9786112, 15902432, 18174208, 19572224, 31804864, 36348416, 63609728, 127219456, 254438912]

約数ペア:

[(1, 254438912), (2, 127219456), (4, 63609728), (7, 36348416), (8, 31804864), (13, 19572224), (14, 18174208), (16, 15902432), (26, 9786112), (28, 9087104), (32, 7951216), (43, 5917184), (52, 4893056), (56, 4543552), (64, 3975608), (86, 2958592), (91, 2796032), (104, 2446528), (112, 2271776), (127, 2003456), (128, 1987804), (172, 1479296), (182, 1398016), (208, 1223264), (224, 1135888), (254, 1001728), (256, 993902), (301, 845312), (344, 739648), (364, 699008), (416, 611632), (448, 567944), (508, 500864), (512, 496951), (559, 455168), (602, 422656), (688, 369824), (728, 349504), (832, 305816), (889, 286208), (896, 283972), (1016, 250432), (1118, 227584), (1204, 211328), (1376, 184912), (1456, 174752), (1651, 154112), (1664, 152908), (1778, 143104), (1792, 141986), (2032, 125216), (2236, 113792), (2408, 105664), (2752, 92456), (2912, 87376), (3302, 77056), (3328, 76454), (3556, 71552), (3584, 70993), (3913, 65024), (4064, 62608), (4472, 56896), (4816, 52832), (5461, 46592), (5504, 46228), (5824, 43688), (6604, 38528), (6656, 38227), (7112, 35776), (7826, 32512), (8128, 31304), (8944, 28448), (9632, 26416), (10922, 23296), (11008, 23114), (11557, 22016), (11648, 21844), (13208, 19264), (14224, 17888), (15652, 16256)]