28753921

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1768

約数の個数: 16

約数和(自身を含む): 34274176

約数和(自身を除く): 5520255

約数列:

[1, 7, 37, 67, 259, 469, 1657, 2479, 11599, 17353, 61309, 111019, 429163, 777133, 4107703, 28753921]

約数ペア:

[(1, 28753921), (7, 4107703), (37, 777133), (67, 429163), (259, 111019), (469, 61309), (1657, 17353), (2479, 11599)]