25617865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 39211776

約数和(自身を除く): 13593911

約数列:

[1, 5, 7, 13, 35, 61, 65, 71, 91, 169, 305, 355, 427, 455, 497, 793, 845, 923, 1183, 2135, 2485, 3965, 4331, 4615, 5551, 5915, 6461, 10309, 11999, 21655, 27755, 30317, 32305, 51545, 56303, 59995, 72163, 83993, 151585, 281515, 360815, 394121, 419965, 731939, 1970605, 3659695, 5123573, 25617865]

約数ペア:

[(1, 25617865), (5, 5123573), (7, 3659695), (13, 1970605), (35, 731939), (61, 419965), (65, 394121), (71, 360815), (91, 281515), (169, 151585), (305, 83993), (355, 72163), (427, 59995), (455, 56303), (497, 51545), (793, 32305), (845, 30317), (923, 27755), (1183, 21655), (2135, 11999), (2485, 10309), (3965, 6461), (4331, 5915), (4615, 5551)]