31301396

素因数分解:

$2^2\times 7^2\times {\mathrm{159701}}^1$

素因数の和:159719

約数の個数: 18

約数和(自身を含む): 63721098

約数和(自身を除く): 32419702

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 159701, 319402, 638804, 1117907, 2235814, 4471628, 7825349, 15650698, 31301396]

約数ペア:

[(1, 31301396), (2, 15650698), (4, 7825349), (7, 4471628), (14, 2235814), (28, 1117907), (49, 638804), (98, 319402), (196, 159701)]