28712735

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 35212320

約数和(自身を除く): 6499585

約数列:

[1, 5, 89, 113, 445, 565, 571, 2855, 10057, 50285, 50819, 64523, 254095, 322615, 5742547, 28712735]

約数ペア:

[(1, 28712735), (5, 5742547), (89, 322615), (113, 254095), (445, 64523), (565, 50819), (571, 50285), (2855, 10057)]