28202904

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 80237520

約数和(自身を除く): 52034616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 568, 613, 639, 648, 852, 1226, 1278, 1704, 1839, 1917, 2452, 2556, 3678, 3834, 4904, 5112, 5517, 5751, 7356, 7668, 11034, 11502, 14712, 15336, 16551, 22068, 23004, 33102, 43523, 44136, 46008, 49653, 66204, 87046, 99306, 130569, 132408, 174092, 198612, 261138, 348184, 391707, 397224, 522276, 783414, 1044552, 1175121, 1566828, 2350242, 3133656, 3525363, 4700484, 7050726, 9400968, 14101452, 28202904]

約数ペア:

[(1, 28202904), (2, 14101452), (3, 9400968), (4, 7050726), (6, 4700484), (8, 3525363), (9, 3133656), (12, 2350242), (18, 1566828), (24, 1175121), (27, 1044552), (36, 783414), (54, 522276), (71, 397224), (72, 391707), (81, 348184), (108, 261138), (142, 198612), (162, 174092), (213, 132408), (216, 130569), (284, 99306), (324, 87046), (426, 66204), (568, 49653), (613, 46008), (639, 44136), (648, 43523), (852, 33102), (1226, 23004), (1278, 22068), (1704, 16551), (1839, 15336), (1917, 14712), (2452, 11502), (2556, 11034), (3678, 7668), (3834, 7356), (4904, 5751), (5112, 5517)]