28143143

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3877}}^1$

素因数の和:3962

約数の個数: 16

約数和(自身を含む): 34622784

約数和(自身を除く): 6479641

約数列:

[1, 7, 17, 61, 119, 427, 1037, 3877, 7259, 27139, 65909, 236497, 461363, 1655479, 4020449, 28143143]

約数ペア:

[(1, 28143143), (7, 4020449), (17, 1655479), (61, 461363), (119, 236497), (427, 65909), (1037, 27139), (3877, 7259)]