205912512

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 168

約数和(自身を含む): 644048496

約数和(自身を除く): 438135984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 107, 117, 144, 156, 192, 208, 214, 234, 257, 288, 312, 321, 416, 428, 468, 514, 576, 624, 642, 771, 832, 856, 936, 963, 1028, 1248, 1284, 1391, 1542, 1712, 1872, 1926, 2056, 2313, 2496, 2568, 2782, 3084, 3341, 3424, 3744, 3852, 4112, 4173, 4626, 5136, 5564, 6168, 6682, 6848, 7488, 7704, 8224, 8346, 9252, 10023, 10272, 11128, 12336, 12519, 13364, 15408, 16448, 16692, 18504, 20046, 20544, 22256, 24672, 25038, 26728, 27499, 30069, 30816, 33384, 37008, 40092, 44512, 49344, 50076, 53456, 54998, 60138, 61632, 66768, 74016, 80184, 82497, 89024, 100152, 106912, 109996, 120276, 133536, 148032, 160368, 164994, 200304, 213824, 219992, 240552, 247491, 267072, 320736, 329988, 357487, 400608, 439984, 481104, 494982, 641472, 659976, 714974, 801216, 879968, 962208, 989964, 1072461, 1319952, 1429948, 1759936, 1924416, 1979928, 2144922, 2639904, 2859896, 3217383, 3959856, 4289844, 5279808, 5719792, 6434766, 7919712, 8579688, 11439584, 12869532, 15839424, 17159376, 22879168, 25739064, 34318752, 51478128, 68637504, 102956256, 205912512]

約数ペア:

[(1, 205912512), (2, 102956256), (3, 68637504), (4, 51478128), (6, 34318752), (8, 25739064), (9, 22879168), (12, 17159376), (13, 15839424), (16, 12869532), (18, 11439584), (24, 8579688), (26, 7919712), (32, 6434766), (36, 5719792), (39, 5279808), (48, 4289844), (52, 3959856), (64, 3217383), (72, 2859896), (78, 2639904), (96, 2144922), (104, 1979928), (107, 1924416), (117, 1759936), (144, 1429948), (156, 1319952), (192, 1072461), (208, 989964), (214, 962208), (234, 879968), (257, 801216), (288, 714974), (312, 659976), (321, 641472), (416, 494982), (428, 481104), (468, 439984), (514, 400608), (576, 357487), (624, 329988), (642, 320736), (771, 267072), (832, 247491), (856, 240552), (936, 219992), (963, 213824), (1028, 200304), (1248, 164994), (1284, 160368), (1391, 148032), (1542, 133536), (1712, 120276), (1872, 109996), (1926, 106912), (2056, 100152), (2313, 89024), (2496, 82497), (2568, 80184), (2782, 74016), (3084, 66768), (3341, 61632), (3424, 60138), (3744, 54998), (3852, 53456), (4112, 50076), (4173, 49344), (4626, 44512), (5136, 40092), (5564, 37008), (6168, 33384), (6682, 30816), (6848, 30069), (7488, 27499), (7704, 26728), (8224, 25038), (8346, 24672), (9252, 22256), (10023, 20544), (10272, 20046), (11128, 18504), (12336, 16692), (12519, 16448), (13364, 15408)]