28509116

素因数分解:

$2^2\times {\mathrm{641}}^1\times {\mathrm{11119}}^1$

素因数の和:11764

約数の個数: 12

約数和(自身を含む): 49973280

約数和(自身を除く): 21464164

約数列:

[1, 2, 4, 641, 1282, 2564, 11119, 22238, 44476, 7127279, 14254558, 28509116]

約数ペア:

[(1, 28509116), (2, 14254558), (4, 7127279), (641, 44476), (1282, 22238), (2564, 11119)]