248230255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3347}}^1$

素因数の和:3535

約数の個数: 32

約数和(自身を含む): 368976384

約数和(自身を除く): 120746129

約数列:

[1, 5, 7, 13, 35, 65, 91, 163, 455, 815, 1141, 2119, 3347, 5705, 10595, 14833, 16735, 23429, 43511, 74165, 117145, 217555, 304577, 545561, 1522885, 2727805, 3818927, 7092293, 19094635, 35461465, 49646051, 248230255]

約数ペア:

[(1, 248230255), (5, 49646051), (7, 35461465), (13, 19094635), (35, 7092293), (65, 3818927), (91, 2727805), (163, 1522885), (455, 545561), (815, 304577), (1141, 217555), (2119, 117145), (3347, 74165), (5705, 43511), (10595, 23429), (14833, 16735)]