28528038

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2287}}^1$

素因数の和:2319

約数の個数: 80

約数和(自身を含む): 79732224

約数和(自身を除く): 51204186

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 154, 162, 189, 198, 231, 297, 378, 462, 567, 594, 693, 891, 1134, 1386, 1782, 2079, 2287, 4158, 4574, 6237, 6861, 12474, 13722, 16009, 20583, 25157, 32018, 41166, 48027, 50314, 61749, 75471, 96054, 123498, 144081, 150942, 176099, 185247, 226413, 288162, 352198, 370494, 432243, 452826, 528297, 679239, 864486, 1056594, 1296729, 1358478, 1584891, 2037717, 2593458, 3169782, 4075434, 4754673, 9509346, 14264019, 28528038]

約数ペア:

[(1, 28528038), (2, 14264019), (3, 9509346), (6, 4754673), (7, 4075434), (9, 3169782), (11, 2593458), (14, 2037717), (18, 1584891), (21, 1358478), (22, 1296729), (27, 1056594), (33, 864486), (42, 679239), (54, 528297), (63, 452826), (66, 432243), (77, 370494), (81, 352198), (99, 288162), (126, 226413), (154, 185247), (162, 176099), (189, 150942), (198, 144081), (231, 123498), (297, 96054), (378, 75471), (462, 61749), (567, 50314), (594, 48027), (693, 41166), (891, 32018), (1134, 25157), (1386, 20583), (1782, 16009), (2079, 13722), (2287, 12474), (4158, 6861), (4574, 6237)]