28927878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 68802048

約数和(自身を除く): 39874170

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 107, 123, 157, 214, 246, 287, 314, 321, 471, 574, 642, 749, 861, 942, 1099, 1498, 1722, 2198, 2247, 3297, 4387, 4494, 6437, 6594, 8774, 12874, 13161, 16799, 19311, 26322, 30709, 33598, 38622, 45059, 50397, 61418, 90118, 92127, 100794, 117593, 135177, 184254, 235186, 270354, 352779, 688759, 705558, 1377518, 2066277, 4132554, 4821313, 9642626, 14463939, 28927878]

約数ペア:

[(1, 28927878), (2, 14463939), (3, 9642626), (6, 4821313), (7, 4132554), (14, 2066277), (21, 1377518), (41, 705558), (42, 688759), (82, 352779), (107, 270354), (123, 235186), (157, 184254), (214, 135177), (246, 117593), (287, 100794), (314, 92127), (321, 90118), (471, 61418), (574, 50397), (642, 45059), (749, 38622), (861, 33598), (942, 30709), (1099, 26322), (1498, 19311), (1722, 16799), (2198, 13161), (2247, 12874), (3297, 8774), (4387, 6594), (4494, 6437)]