28873915

素因数分解:

$5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1283}}^1$

素因数の和:1938

約数の個数: 16

約数和(自身を含む): 39691008

約数和(自身を除く): 10817093

約数列:

[1, 5, 7, 35, 643, 1283, 3215, 4501, 6415, 8981, 22505, 44905, 824969, 4124845, 5774783, 28873915]

約数ペア:

[(1, 28873915), (5, 5774783), (7, 4124845), (35, 824969), (643, 44905), (1283, 22505), (3215, 8981), (4501, 6415)]