28563604

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{24709}}^1$

素因数の和:24747

約数の個数: 18

約数和(自身を含む): 53101790

約数和(自身を除く): 24538186

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 24709, 49418, 98836, 420053, 840106, 1680212, 7140901, 14281802, 28563604]

約数ペア:

[(1, 28563604), (2, 14281802), (4, 7140901), (17, 1680212), (34, 840106), (68, 420053), (289, 98836), (578, 49418), (1156, 24709)]