320218964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{198647}}^1$

素因数の和:198695

約数の個数: 24

約数和(自身を含む): 622960128

約数和(自身を除く): 302741164

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 198647, 397294, 794588, 2582411, 5164822, 6158057, 10329644, 12316114, 24632228, 80054741, 160109482, 320218964]

約数ペア:

[(1, 320218964), (2, 160109482), (4, 80054741), (13, 24632228), (26, 12316114), (31, 10329644), (52, 6158057), (62, 5164822), (124, 2582411), (403, 794588), (806, 397294), (1612, 198647)]