30139291

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 37917600

約数和(自身を除く): 7778309

約数列:

[1, 7, 13, 73, 91, 169, 349, 511, 949, 1183, 2443, 4537, 6643, 12337, 25477, 31759, 58981, 86359, 178339, 331201, 412867, 2318407, 4305613, 30139291]

約数ペア:

[(1, 30139291), (7, 4305613), (13, 2318407), (73, 412867), (91, 331201), (169, 178339), (349, 86359), (511, 58981), (949, 31759), (1183, 25477), (2443, 12337), (4537, 6643)]