26861288

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 54315360

約数和(自身を除く): 27454072

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 131, 142, 152, 262, 284, 361, 524, 568, 722, 1048, 1349, 1444, 2489, 2698, 2888, 4978, 5396, 9301, 9956, 10792, 18602, 19912, 25631, 37204, 47291, 51262, 74408, 94582, 102524, 176719, 189164, 205048, 353438, 378328, 706876, 1413752, 3357661, 6715322, 13430644, 26861288]

約数ペア:

[(1, 26861288), (2, 13430644), (4, 6715322), (8, 3357661), (19, 1413752), (38, 706876), (71, 378328), (76, 353438), (131, 205048), (142, 189164), (152, 176719), (262, 102524), (284, 94582), (361, 74408), (524, 51262), (568, 47291), (722, 37204), (1048, 25631), (1349, 19912), (1444, 18602), (2489, 10792), (2698, 9956), (2888, 9301), (4978, 5396)]