81261712

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 188559360

約数和(自身を除く): 107297648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 127, 197, 203, 232, 254, 394, 406, 464, 508, 788, 812, 889, 1016, 1379, 1576, 1624, 1778, 2032, 2758, 3152, 3248, 3556, 3683, 5516, 5713, 7112, 7366, 11032, 11426, 14224, 14732, 22064, 22852, 25019, 25781, 29464, 39991, 45704, 50038, 51562, 58928, 79982, 91408, 100076, 103124, 159964, 175133, 200152, 206248, 319928, 350266, 400304, 412496, 639856, 700532, 725551, 1401064, 1451102, 2802128, 2902204, 5078857, 5804408, 10157714, 11608816, 20315428, 40630856, 81261712]

約数ペア:

[(1, 81261712), (2, 40630856), (4, 20315428), (7, 11608816), (8, 10157714), (14, 5804408), (16, 5078857), (28, 2902204), (29, 2802128), (56, 1451102), (58, 1401064), (112, 725551), (116, 700532), (127, 639856), (197, 412496), (203, 400304), (232, 350266), (254, 319928), (394, 206248), (406, 200152), (464, 175133), (508, 159964), (788, 103124), (812, 100076), (889, 91408), (1016, 79982), (1379, 58928), (1576, 51562), (1624, 50038), (1778, 45704), (2032, 39991), (2758, 29464), (3152, 25781), (3248, 25019), (3556, 22852), (3683, 22064), (5516, 14732), (5713, 14224), (7112, 11426), (7366, 11032)]