1286420889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2909}}^1$

素因数の和:2994

約数の個数: 64

約数和(自身を含む): 2111961600

約数和(自身を除く): 825540711

約数列:

[1, 3, 13, 17, 23, 29, 39, 51, 69, 87, 221, 299, 377, 391, 493, 663, 667, 897, 1131, 1173, 1479, 2001, 2909, 5083, 6409, 8671, 8727, 11339, 15249, 19227, 26013, 34017, 37817, 49453, 66907, 84361, 113451, 147407, 148359, 200721, 253083, 442221, 642889, 869791, 1096693, 1137419, 1434137, 1928667, 1940303, 2609373, 3290079, 3412257, 4302411, 5820909, 14786447, 18643781, 25223939, 32985151, 44359341, 55931343, 75671817, 98955453, 428806963, 1286420889]

約数ペア:

[(1, 1286420889), (3, 428806963), (13, 98955453), (17, 75671817), (23, 55931343), (29, 44359341), (39, 32985151), (51, 25223939), (69, 18643781), (87, 14786447), (221, 5820909), (299, 4302411), (377, 3412257), (391, 3290079), (493, 2609373), (663, 1940303), (667, 1928667), (897, 1434137), (1131, 1137419), (1173, 1096693), (1479, 869791), (2001, 642889), (2909, 442221), (5083, 253083), (6409, 200721), (8671, 148359), (8727, 147407), (11339, 113451), (15249, 84361), (19227, 66907), (26013, 49453), (34017, 37817)]