256445145

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1493}}^1$

素因数の和:1862

約数の個数: 48

約数和(自身を含む): 486637632

約数和(自身を除く): 230192487

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 347, 495, 1041, 1493, 1735, 3123, 3817, 4479, 5205, 7465, 11451, 13437, 15615, 16423, 19085, 22395, 34353, 49269, 57255, 67185, 82115, 147807, 171765, 246345, 518071, 739035, 1554213, 2590355, 4662639, 5698781, 7771065, 17096343, 23313195, 28493905, 51289029, 85481715, 256445145]

約数ペア:

[(1, 256445145), (3, 85481715), (5, 51289029), (9, 28493905), (11, 23313195), (15, 17096343), (33, 7771065), (45, 5698781), (55, 4662639), (99, 2590355), (165, 1554213), (347, 739035), (495, 518071), (1041, 246345), (1493, 171765), (1735, 147807), (3123, 82115), (3817, 67185), (4479, 57255), (5205, 49269), (7465, 34353), (11451, 22395), (13437, 19085), (15615, 16423)]