28156916

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1289}}^1$

素因数の和:1463

約数の個数: 24

約数和(自身を含む): 50856960

約数和(自身を除く): 22700044

約数列:

[1, 2, 4, 43, 86, 127, 172, 254, 508, 1289, 2578, 5156, 5461, 10922, 21844, 55427, 110854, 163703, 221708, 327406, 654812, 7039229, 14078458, 28156916]

約数ペア:

[(1, 28156916), (2, 14078458), (4, 7039229), (43, 654812), (86, 327406), (127, 221708), (172, 163703), (254, 110854), (508, 55427), (1289, 21844), (2578, 10922), (5156, 5461)]