199979143

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 270617760

約数和(自身を除く): 70638617

約数列:

[1, 7, 13, 17, 49, 59, 91, 119, 221, 313, 413, 637, 767, 833, 1003, 1547, 2191, 2891, 4069, 5321, 5369, 7021, 10829, 13039, 15337, 18467, 28483, 37247, 37583, 49147, 69173, 91273, 129269, 199381, 240071, 260729, 313939, 484211, 638911, 904883, 1680497, 2197573, 3389477, 4081207, 11763479, 15383011, 28568449, 199979143]

約数ペア:

[(1, 199979143), (7, 28568449), (13, 15383011), (17, 11763479), (49, 4081207), (59, 3389477), (91, 2197573), (119, 1680497), (221, 904883), (313, 638911), (413, 484211), (637, 313939), (767, 260729), (833, 240071), (1003, 199381), (1547, 129269), (2191, 91273), (2891, 69173), (4069, 49147), (5321, 37583), (5369, 37247), (7021, 28483), (10829, 18467), (13039, 15337)]