256307584

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 592562880

約数和(自身を除く): 336255296

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 37, 46, 52, 64, 74, 92, 104, 128, 148, 181, 184, 208, 296, 299, 362, 368, 416, 481, 592, 598, 724, 736, 832, 851, 962, 1184, 1196, 1448, 1472, 1664, 1702, 1924, 2353, 2368, 2392, 2896, 2944, 3404, 3848, 4163, 4706, 4736, 4784, 5792, 6697, 6808, 7696, 8326, 9412, 9568, 11063, 11584, 13394, 13616, 15392, 16652, 18824, 19136, 22126, 23168, 26788, 27232, 30784, 33304, 37648, 38272, 44252, 53576, 54119, 54464, 61568, 66608, 75296, 87061, 88504, 107152, 108238, 108928, 133216, 150592, 154031, 174122, 177008, 214304, 216476, 266432, 301184, 308062, 348244, 354016, 428608, 432952, 532864, 616124, 696488, 708032, 857216, 865904, 1232248, 1392976, 1416064, 1731808, 2002403, 2464496, 2785952, 3463616, 4004806, 4928992, 5571904, 6927232, 8009612, 9857984, 11143808, 16019224, 19715968, 32038448, 64076896, 128153792, 256307584]

約数ペア:

[(1, 256307584), (2, 128153792), (4, 64076896), (8, 32038448), (13, 19715968), (16, 16019224), (23, 11143808), (26, 9857984), (32, 8009612), (37, 6927232), (46, 5571904), (52, 4928992), (64, 4004806), (74, 3463616), (92, 2785952), (104, 2464496), (128, 2002403), (148, 1731808), (181, 1416064), (184, 1392976), (208, 1232248), (296, 865904), (299, 857216), (362, 708032), (368, 696488), (416, 616124), (481, 532864), (592, 432952), (598, 428608), (724, 354016), (736, 348244), (832, 308062), (851, 301184), (962, 266432), (1184, 216476), (1196, 214304), (1448, 177008), (1472, 174122), (1664, 154031), (1702, 150592), (1924, 133216), (2353, 108928), (2368, 108238), (2392, 107152), (2896, 88504), (2944, 87061), (3404, 75296), (3848, 66608), (4163, 61568), (4706, 54464), (4736, 54119), (4784, 53576), (5792, 44252), (6697, 38272), (6808, 37648), (7696, 33304), (8326, 30784), (9412, 27232), (9568, 26788), (11063, 23168), (11584, 22126), (13394, 19136), (13616, 18824), (15392, 16652)]