281416021456

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2719}}^1\times {\mathrm{2939}}^1$

素因数の和:5768

約数の個数: 80

約数和(自身を含む): 571163443200

約数和(自身を除く): 289747421744

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 496, 568, 1136, 2201, 2719, 2939, 4402, 5438, 5878, 8804, 10876, 11756, 17608, 21752, 23512, 35216, 43504, 47024, 84289, 91109, 168578, 182218, 193049, 208669, 337156, 364436, 386098, 417338, 674312, 728872, 772196, 834676, 1348624, 1457744, 1544392, 1669352, 3088784, 3338704, 5984519, 6468739, 7991141, 11969038, 12937478, 15982282, 23938076, 25874956, 31964564, 47876152, 51749912, 63929128, 95752304, 103499824, 127858256, 247725371, 495450742, 567371011, 990901484, 1134742022, 1981802968, 2269484044, 3963605936, 4538968088, 9077936176, 17588501341, 35177002682, 70354005364, 140708010728, 281416021456]

約数ペア:

[(1, 281416021456), (2, 140708010728), (4, 70354005364), (8, 35177002682), (16, 17588501341), (31, 9077936176), (62, 4538968088), (71, 3963605936), (124, 2269484044), (142, 1981802968), (248, 1134742022), (284, 990901484), (496, 567371011), (568, 495450742), (1136, 247725371), (2201, 127858256), (2719, 103499824), (2939, 95752304), (4402, 63929128), (5438, 51749912), (5878, 47876152), (8804, 31964564), (10876, 25874956), (11756, 23938076), (17608, 15982282), (21752, 12937478), (23512, 11969038), (35216, 7991141), (43504, 6468739), (47024, 5984519), (84289, 3338704), (91109, 3088784), (168578, 1669352), (182218, 1544392), (193049, 1457744), (208669, 1348624), (337156, 834676), (364436, 772196), (386098, 728872), (417338, 674312)]