28627794

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 72334080

約数和(自身を除く): 43706286

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 47, 57, 78, 94, 114, 117, 137, 141, 171, 234, 247, 274, 282, 342, 411, 423, 494, 611, 741, 822, 846, 893, 1222, 1233, 1482, 1781, 1786, 1833, 2223, 2466, 2603, 2679, 3562, 3666, 4446, 5206, 5343, 5358, 5499, 6439, 7809, 8037, 10686, 10998, 11609, 12878, 15618, 16029, 16074, 19317, 23218, 23427, 32058, 33839, 34827, 38634, 46854, 57951, 67678, 69654, 83707, 101517, 104481, 115902, 122341, 167414, 203034, 208962, 244682, 251121, 304551, 367023, 502242, 609102, 734046, 753363, 1101069, 1506726, 1590433, 2202138, 3180866, 4771299, 9542598, 14313897, 28627794]

約数ペア:

[(1, 28627794), (2, 14313897), (3, 9542598), (6, 4771299), (9, 3180866), (13, 2202138), (18, 1590433), (19, 1506726), (26, 1101069), (38, 753363), (39, 734046), (47, 609102), (57, 502242), (78, 367023), (94, 304551), (114, 251121), (117, 244682), (137, 208962), (141, 203034), (171, 167414), (234, 122341), (247, 115902), (274, 104481), (282, 101517), (342, 83707), (411, 69654), (423, 67678), (494, 57951), (611, 46854), (741, 38634), (822, 34827), (846, 33839), (893, 32058), (1222, 23427), (1233, 23218), (1482, 19317), (1781, 16074), (1786, 16029), (1833, 15618), (2223, 12878), (2466, 11609), (2603, 10998), (2679, 10686), (3562, 8037), (3666, 7809), (4446, 6439), (5206, 5499), (5343, 5358)]