13178984

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 31194240

約数和(自身を除く): 18015256

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 421, 559, 602, 728, 842, 1118, 1204, 1684, 2236, 2408, 2947, 3368, 3913, 4472, 5473, 5894, 7826, 10946, 11788, 15652, 18103, 21892, 23576, 31304, 36206, 38311, 43784, 72412, 76622, 126721, 144824, 153244, 235339, 253442, 306488, 470678, 506884, 941356, 1013768, 1647373, 1882712, 3294746, 6589492, 13178984]

約数ペア:

[(1, 13178984), (2, 6589492), (4, 3294746), (7, 1882712), (8, 1647373), (13, 1013768), (14, 941356), (26, 506884), (28, 470678), (43, 306488), (52, 253442), (56, 235339), (86, 153244), (91, 144824), (104, 126721), (172, 76622), (182, 72412), (301, 43784), (344, 38311), (364, 36206), (421, 31304), (559, 23576), (602, 21892), (728, 18103), (842, 15652), (1118, 11788), (1204, 10946), (1684, 7826), (2236, 5894), (2408, 5473), (2947, 4472), (3368, 3913)]