2217988

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{577}}^1$

素因数の和:643

約数の個数: 18

約数和(自身を含む): 4017678

約数和(自身を除く): 1799690

約数列:

[1, 2, 4, 31, 62, 124, 577, 961, 1154, 1922, 2308, 3844, 17887, 35774, 71548, 554497, 1108994, 2217988]

約数ペア:

[(1, 2217988), (2, 1108994), (4, 554497), (31, 71548), (62, 35774), (124, 17887), (577, 3844), (961, 2308), (1154, 1922)]