81311384

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 196376400

約数和(自身を除く): 115065016

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 109, 154, 173, 196, 218, 308, 346, 392, 436, 539, 616, 692, 763, 872, 1078, 1199, 1211, 1384, 1526, 1903, 2156, 2398, 2422, 3052, 3806, 4312, 4796, 4844, 5341, 6104, 7612, 8393, 8477, 9592, 9688, 10682, 13321, 15224, 16786, 16954, 18857, 21364, 26642, 33572, 33908, 37714, 42728, 53284, 58751, 67144, 67816, 75428, 93247, 106568, 117502, 131999, 150856, 186494, 207427, 235004, 263998, 372988, 414854, 470008, 527996, 745976, 829708, 923993, 1055992, 1451989, 1659416, 1847986, 2903978, 3695972, 5807956, 7391944, 10163923, 11615912, 20327846, 40655692, 81311384]

約数ペア:

[(1, 81311384), (2, 40655692), (4, 20327846), (7, 11615912), (8, 10163923), (11, 7391944), (14, 5807956), (22, 3695972), (28, 2903978), (44, 1847986), (49, 1659416), (56, 1451989), (77, 1055992), (88, 923993), (98, 829708), (109, 745976), (154, 527996), (173, 470008), (196, 414854), (218, 372988), (308, 263998), (346, 235004), (392, 207427), (436, 186494), (539, 150856), (616, 131999), (692, 117502), (763, 106568), (872, 93247), (1078, 75428), (1199, 67816), (1211, 67144), (1384, 58751), (1526, 53284), (1903, 42728), (2156, 37714), (2398, 33908), (2422, 33572), (3052, 26642), (3806, 21364), (4312, 18857), (4796, 16954), (4844, 16786), (5341, 15224), (6104, 13321), (7612, 10682), (8393, 9688), (8477, 9592)]