161117456

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{189997}}^1$

素因数の和:190058

約数の個数: 20

約数和(自身を含む): 318056652

約数和(自身を除く): 156939196

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 189997, 379994, 759988, 1519976, 3039952, 10069841, 20139682, 40279364, 80558728, 161117456]

約数ペア:

[(1, 161117456), (2, 80558728), (4, 40279364), (8, 20139682), (16, 10069841), (53, 3039952), (106, 1519976), (212, 759988), (424, 379994), (848, 189997)]