13977145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 22135680

約数和(自身を除く): 8158535

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 139, 169, 221, 455, 595, 695, 845, 973, 1105, 1183, 1547, 1807, 2363, 2873, 4865, 5915, 7735, 9035, 11815, 12649, 14365, 16541, 20111, 23491, 30719, 63245, 82705, 100555, 117455, 153595, 164437, 215033, 399347, 822185, 1075165, 1996735, 2795429, 13977145]

約数ペア:

[(1, 13977145), (5, 2795429), (7, 1996735), (13, 1075165), (17, 822185), (35, 399347), (65, 215033), (85, 164437), (91, 153595), (119, 117455), (139, 100555), (169, 82705), (221, 63245), (455, 30719), (595, 23491), (695, 20111), (845, 16541), (973, 14365), (1105, 12649), (1183, 11815), (1547, 9035), (1807, 7735), (2363, 5915), (2873, 4865)]