25657554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 57915648

約数和(自身を除く): 32258094

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 71, 78, 82, 113, 123, 142, 213, 226, 246, 339, 426, 533, 678, 923, 1066, 1469, 1599, 1846, 2769, 2911, 2938, 3198, 4407, 4633, 5538, 5822, 8023, 8733, 8814, 9266, 13899, 16046, 17466, 24069, 27798, 37843, 48138, 60229, 75686, 104299, 113529, 120458, 180687, 208598, 227058, 312897, 328943, 361374, 625794, 657886, 986829, 1973658, 4276259, 8552518, 12828777, 25657554]

約数ペア:

[(1, 25657554), (2, 12828777), (3, 8552518), (6, 4276259), (13, 1973658), (26, 986829), (39, 657886), (41, 625794), (71, 361374), (78, 328943), (82, 312897), (113, 227058), (123, 208598), (142, 180687), (213, 120458), (226, 113529), (246, 104299), (339, 75686), (426, 60229), (533, 48138), (678, 37843), (923, 27798), (1066, 24069), (1469, 17466), (1599, 16046), (1846, 13899), (2769, 9266), (2911, 8814), (2938, 8733), (3198, 8023), (4407, 5822), (4633, 5538)]