28480656

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 76387968

約数和(自身を除く): 47907312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 71, 122, 137, 142, 183, 213, 244, 274, 284, 366, 411, 426, 488, 548, 568, 732, 822, 852, 976, 1096, 1136, 1464, 1644, 1704, 2192, 2928, 3288, 3408, 4331, 6576, 8357, 8662, 9727, 12993, 16714, 17324, 19454, 25071, 25986, 29181, 33428, 34648, 38908, 50142, 51972, 58362, 66856, 69296, 77816, 100284, 103944, 116724, 133712, 155632, 200568, 207888, 233448, 401136, 466896, 593347, 1186694, 1780041, 2373388, 3560082, 4746776, 7120164, 9493552, 14240328, 28480656]

約数ペア:

[(1, 28480656), (2, 14240328), (3, 9493552), (4, 7120164), (6, 4746776), (8, 3560082), (12, 2373388), (16, 1780041), (24, 1186694), (48, 593347), (61, 466896), (71, 401136), (122, 233448), (137, 207888), (142, 200568), (183, 155632), (213, 133712), (244, 116724), (274, 103944), (284, 100284), (366, 77816), (411, 69296), (426, 66856), (488, 58362), (548, 51972), (568, 50142), (732, 38908), (822, 34648), (852, 33428), (976, 29181), (1096, 25986), (1136, 25071), (1464, 19454), (1644, 17324), (1704, 16714), (2192, 12993), (2928, 9727), (3288, 8662), (3408, 8357), (4331, 6576)]