261053478

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{7219}}^1$

素因数の和:7282

約数の個数: 72

約数和(自身を含む): 674102520

約数和(自身を除く): 413049042

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 246, 287, 294, 369, 441, 574, 738, 861, 882, 1722, 2009, 2583, 4018, 5166, 6027, 7219, 12054, 14438, 18081, 21657, 36162, 43314, 50533, 64971, 101066, 129942, 151599, 295979, 303198, 353731, 454797, 591958, 707462, 887937, 909594, 1061193, 1775874, 2071853, 2122386, 2663811, 3183579, 4143706, 5327622, 6215559, 6367158, 12431118, 14502971, 18646677, 29005942, 37293354, 43508913, 87017826, 130526739, 261053478]

約数ペア:

[(1, 261053478), (2, 130526739), (3, 87017826), (6, 43508913), (7, 37293354), (9, 29005942), (14, 18646677), (18, 14502971), (21, 12431118), (41, 6367158), (42, 6215559), (49, 5327622), (63, 4143706), (82, 3183579), (98, 2663811), (123, 2122386), (126, 2071853), (147, 1775874), (246, 1061193), (287, 909594), (294, 887937), (369, 707462), (441, 591958), (574, 454797), (738, 353731), (861, 303198), (882, 295979), (1722, 151599), (2009, 129942), (2583, 101066), (4018, 64971), (5166, 50533), (6027, 43314), (7219, 36162), (12054, 21657), (14438, 18081)]