256520992

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:810

約数の個数: 96

約数和(自身を含む): 627080832

約数和(自身を除く): 370559840

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 137, 182, 208, 224, 274, 364, 416, 548, 643, 728, 959, 1096, 1286, 1456, 1781, 1918, 2192, 2572, 2912, 3562, 3836, 4384, 4501, 5144, 7124, 7672, 8359, 9002, 10288, 12467, 14248, 15344, 16718, 18004, 20576, 24934, 28496, 30688, 33436, 36008, 49868, 56992, 58513, 66872, 72016, 88091, 99736, 117026, 133744, 144032, 176182, 199472, 234052, 267488, 352364, 398944, 468104, 616637, 704728, 936208, 1145183, 1233274, 1409456, 1872416, 2290366, 2466548, 2818912, 4580732, 4933096, 8016281, 9161464, 9866192, 16032562, 18322928, 19732384, 32065124, 36645856, 64130248, 128260496, 256520992]

約数ペア:

[(1, 256520992), (2, 128260496), (4, 64130248), (7, 36645856), (8, 32065124), (13, 19732384), (14, 18322928), (16, 16032562), (26, 9866192), (28, 9161464), (32, 8016281), (52, 4933096), (56, 4580732), (91, 2818912), (104, 2466548), (112, 2290366), (137, 1872416), (182, 1409456), (208, 1233274), (224, 1145183), (274, 936208), (364, 704728), (416, 616637), (548, 468104), (643, 398944), (728, 352364), (959, 267488), (1096, 234052), (1286, 199472), (1456, 176182), (1781, 144032), (1918, 133744), (2192, 117026), (2572, 99736), (2912, 88091), (3562, 72016), (3836, 66872), (4384, 58513), (4501, 56992), (5144, 49868), (7124, 36008), (7672, 33436), (8359, 30688), (9002, 28496), (10288, 24934), (12467, 20576), (14248, 18004), (15344, 16718)]