28027916

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23279}}^1$

素因数の和:23333

約数の個数: 24

約数和(自身を含む): 57361920

約数和(自身を除く): 29334004

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 23279, 46558, 93116, 162953, 325906, 651812, 1000997, 2001994, 4003988, 7006979, 14013958, 28027916]

約数ペア:

[(1, 28027916), (2, 14013958), (4, 7006979), (7, 4003988), (14, 2001994), (28, 1000997), (43, 651812), (86, 325906), (172, 162953), (301, 93116), (602, 46558), (1204, 23279)]