27931904

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 75546240

約数和(自身を除く): 47614336

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 109, 112, 128, 143, 154, 176, 182, 208, 218, 224, 256, 286, 308, 352, 364, 416, 436, 448, 572, 616, 704, 728, 763, 832, 872, 896, 1001, 1144, 1199, 1232, 1408, 1417, 1456, 1526, 1664, 1744, 1792, 2002, 2288, 2398, 2464, 2816, 2834, 2912, 3052, 3328, 3488, 4004, 4576, 4796, 4928, 5668, 5824, 6104, 6976, 8008, 8393, 9152, 9592, 9856, 9919, 11336, 11648, 12208, 13952, 15587, 16016, 16786, 18304, 19184, 19712, 19838, 22672, 23296, 24416, 27904, 31174, 32032, 33572, 36608, 38368, 39676, 45344, 48832, 62348, 64064, 67144, 76736, 79352, 90688, 97664, 109109, 124696, 128128, 134288, 153472, 158704, 181376, 195328, 218218, 249392, 256256, 268576, 306944, 317408, 362752, 436436, 498784, 537152, 634816, 872872, 997568, 1074304, 1269632, 1745744, 1995136, 2148608, 2539264, 3491488, 3990272, 6982976, 13965952, 27931904]

約数ペア:

[(1, 27931904), (2, 13965952), (4, 6982976), (7, 3990272), (8, 3491488), (11, 2539264), (13, 2148608), (14, 1995136), (16, 1745744), (22, 1269632), (26, 1074304), (28, 997568), (32, 872872), (44, 634816), (52, 537152), (56, 498784), (64, 436436), (77, 362752), (88, 317408), (91, 306944), (104, 268576), (109, 256256), (112, 249392), (128, 218218), (143, 195328), (154, 181376), (176, 158704), (182, 153472), (208, 134288), (218, 128128), (224, 124696), (256, 109109), (286, 97664), (308, 90688), (352, 79352), (364, 76736), (416, 67144), (436, 64064), (448, 62348), (572, 48832), (616, 45344), (704, 39676), (728, 38368), (763, 36608), (832, 33572), (872, 32032), (896, 31174), (1001, 27904), (1144, 24416), (1199, 23296), (1232, 22672), (1408, 19838), (1417, 19712), (1456, 19184), (1526, 18304), (1664, 16786), (1744, 16016), (1792, 15587), (2002, 13952), (2288, 12208), (2398, 11648), (2464, 11336), (2816, 9919), (2834, 9856), (2912, 9592), (3052, 9152), (3328, 8393), (3488, 8008), (4004, 6976), (4576, 6104), (4796, 5824), (4928, 5668)]