28742105

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9227}}^1$

素因数の和:9328

約数の個数: 16

約数和(自身を含む): 39864960

約数和(自身を除く): 11122855

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 9227, 46135, 64589, 322945, 821203, 4106015, 5748421, 28742105]

約数ペア:

[(1, 28742105), (5, 5748421), (7, 4106015), (35, 821203), (89, 322945), (445, 64589), (623, 46135), (3115, 9227)]