165498151

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 222528000

約数和(自身を除く): 57029849

約数列:

[1, 7, 13, 19, 37, 91, 133, 169, 199, 247, 259, 481, 703, 1183, 1393, 1729, 2587, 3211, 3367, 3781, 4921, 6253, 7363, 9139, 18109, 22477, 26467, 33631, 43771, 49153, 51541, 63973, 95719, 118807, 139897, 235417, 344071, 638989, 670033, 831649, 979279, 1244347, 1818661, 4472923, 8710429, 12730627, 23642593, 165498151]

約数ペア:

[(1, 165498151), (7, 23642593), (13, 12730627), (19, 8710429), (37, 4472923), (91, 1818661), (133, 1244347), (169, 979279), (199, 831649), (247, 670033), (259, 638989), (481, 344071), (703, 235417), (1183, 139897), (1393, 118807), (1729, 95719), (2587, 63973), (3211, 51541), (3367, 49153), (3781, 43771), (4921, 33631), (6253, 26467), (7363, 22477), (9139, 18109)]