56481984

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:447

約数の個数: 168

約数和(自身を含む): 183987440

約数和(自身を除く): 127505456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 64, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 171, 192, 208, 228, 234, 247, 288, 304, 312, 342, 397, 416, 456, 468, 494, 576, 608, 624, 684, 741, 794, 832, 912, 936, 988, 1191, 1216, 1248, 1368, 1482, 1588, 1824, 1872, 1976, 2223, 2382, 2496, 2736, 2964, 3176, 3573, 3648, 3744, 3952, 4446, 4764, 5161, 5472, 5928, 6352, 7146, 7488, 7543, 7904, 8892, 9528, 10322, 10944, 11856, 12704, 14292, 15086, 15483, 15808, 17784, 19056, 20644, 22629, 23712, 25408, 28584, 30172, 30966, 35568, 38112, 41288, 45258, 46449, 47424, 57168, 60344, 61932, 67887, 71136, 76224, 82576, 90516, 92898, 98059, 114336, 120688, 123864, 135774, 142272, 165152, 181032, 185796, 196118, 228672, 241376, 247728, 271548, 294177, 330304, 362064, 371592, 392236, 482752, 495456, 543096, 588354, 724128, 743184, 784472, 882531, 990912, 1086192, 1176708, 1448256, 1486368, 1568944, 1765062, 2172384, 2353416, 2972736, 3137888, 3530124, 4344768, 4706832, 6275776, 7060248, 9413664, 14120496, 18827328, 28240992, 56481984]

約数ペア:

[(1, 56481984), (2, 28240992), (3, 18827328), (4, 14120496), (6, 9413664), (8, 7060248), (9, 6275776), (12, 4706832), (13, 4344768), (16, 3530124), (18, 3137888), (19, 2972736), (24, 2353416), (26, 2172384), (32, 1765062), (36, 1568944), (38, 1486368), (39, 1448256), (48, 1176708), (52, 1086192), (57, 990912), (64, 882531), (72, 784472), (76, 743184), (78, 724128), (96, 588354), (104, 543096), (114, 495456), (117, 482752), (144, 392236), (152, 371592), (156, 362064), (171, 330304), (192, 294177), (208, 271548), (228, 247728), (234, 241376), (247, 228672), (288, 196118), (304, 185796), (312, 181032), (342, 165152), (397, 142272), (416, 135774), (456, 123864), (468, 120688), (494, 114336), (576, 98059), (608, 92898), (624, 90516), (684, 82576), (741, 76224), (794, 71136), (832, 67887), (912, 61932), (936, 60344), (988, 57168), (1191, 47424), (1216, 46449), (1248, 45258), (1368, 41288), (1482, 38112), (1588, 35568), (1824, 30966), (1872, 30172), (1976, 28584), (2223, 25408), (2382, 23712), (2496, 22629), (2736, 20644), (2964, 19056), (3176, 17784), (3573, 15808), (3648, 15483), (3744, 15086), (3952, 14292), (4446, 12704), (4764, 11856), (5161, 10944), (5472, 10322), (5928, 9528), (6352, 8892), (7146, 7904), (7488, 7543)]