51478128

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:391

約数の個数: 120

約数和(自身を含む): 157208688

約数和(自身を除く): 105730560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 107, 117, 144, 156, 208, 214, 234, 257, 312, 321, 428, 468, 514, 624, 642, 771, 856, 936, 963, 1028, 1284, 1391, 1542, 1712, 1872, 1926, 2056, 2313, 2568, 2782, 3084, 3341, 3852, 4112, 4173, 4626, 5136, 5564, 6168, 6682, 7704, 8346, 9252, 10023, 11128, 12336, 12519, 13364, 15408, 16692, 18504, 20046, 22256, 25038, 26728, 27499, 30069, 33384, 37008, 40092, 50076, 53456, 54998, 60138, 66768, 80184, 82497, 100152, 109996, 120276, 160368, 164994, 200304, 219992, 240552, 247491, 329988, 357487, 439984, 481104, 494982, 659976, 714974, 989964, 1072461, 1319952, 1429948, 1979928, 2144922, 2859896, 3217383, 3959856, 4289844, 5719792, 6434766, 8579688, 12869532, 17159376, 25739064, 51478128]

約数ペア:

[(1, 51478128), (2, 25739064), (3, 17159376), (4, 12869532), (6, 8579688), (8, 6434766), (9, 5719792), (12, 4289844), (13, 3959856), (16, 3217383), (18, 2859896), (24, 2144922), (26, 1979928), (36, 1429948), (39, 1319952), (48, 1072461), (52, 989964), (72, 714974), (78, 659976), (104, 494982), (107, 481104), (117, 439984), (144, 357487), (156, 329988), (208, 247491), (214, 240552), (234, 219992), (257, 200304), (312, 164994), (321, 160368), (428, 120276), (468, 109996), (514, 100152), (624, 82497), (642, 80184), (771, 66768), (856, 60138), (936, 54998), (963, 53456), (1028, 50076), (1284, 40092), (1391, 37008), (1542, 33384), (1712, 30069), (1872, 27499), (1926, 26728), (2056, 25038), (2313, 22256), (2568, 20046), (2782, 18504), (3084, 16692), (3341, 15408), (3852, 13364), (4112, 12519), (4173, 12336), (4626, 11128), (5136, 10023), (5564, 9252), (6168, 8346), (6682, 7704)]