616647824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 1314759600

約数和(自身を除く): 698111776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 149, 197, 202, 208, 298, 394, 404, 596, 788, 808, 1192, 1313, 1576, 1616, 1937, 2384, 2561, 2626, 3152, 3874, 5122, 5252, 7748, 10244, 10504, 15049, 15496, 19897, 20488, 21008, 29353, 30098, 30992, 39794, 40976, 58706, 60196, 79588, 117412, 120392, 159176, 195637, 234824, 240784, 258661, 318352, 381589, 391274, 469648, 517322, 763178, 782548, 1034644, 1526356, 1565096, 2069288, 2964653, 3052712, 3130192, 4138576, 5929306, 6105424, 11858612, 23717224, 38540489, 47434448, 77080978, 154161956, 308323912, 616647824]

約数ペア:

[(1, 616647824), (2, 308323912), (4, 154161956), (8, 77080978), (13, 47434448), (16, 38540489), (26, 23717224), (52, 11858612), (101, 6105424), (104, 5929306), (149, 4138576), (197, 3130192), (202, 3052712), (208, 2964653), (298, 2069288), (394, 1565096), (404, 1526356), (596, 1034644), (788, 782548), (808, 763178), (1192, 517322), (1313, 469648), (1576, 391274), (1616, 381589), (1937, 318352), (2384, 258661), (2561, 240784), (2626, 234824), (3152, 195637), (3874, 159176), (5122, 120392), (5252, 117412), (7748, 79588), (10244, 60196), (10504, 58706), (15049, 40976), (15496, 39794), (19897, 30992), (20488, 30098), (21008, 29353)]