28070077

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1697}}^1$

素因数の和:1860

約数の個数: 16

約数和(自身を含む): 34231680

約数和(自身を除く): 6161603

約数列:

[1, 7, 17, 119, 139, 973, 1697, 2363, 11879, 16541, 28849, 201943, 235883, 1651181, 4010011, 28070077]

約数ペア:

[(1, 28070077), (7, 4010011), (17, 1651181), (119, 235883), (139, 201943), (973, 28849), (1697, 16541), (2363, 11879)]