28135534

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{25439}}^1$

素因数の和:25527

約数の個数: 16

約数和(自身を含む): 48844800

約数和(自身を除く): 20709266

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 25439, 50878, 178073, 356146, 2009681, 4019362, 14067767, 28135534]

約数ペア:

[(1, 28135534), (2, 14067767), (7, 4019362), (14, 2009681), (79, 356146), (158, 178073), (553, 50878), (1106, 25439)]