217420806911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{80761}}^1\times {\mathrm{34963}}^1$

素因数の和:115742

約数の個数: 16

約数和(自身を含む): 271081206528

約数和(自身を除く): 53660399617

約数列:

[1, 7, 11, 77, 34963, 80761, 244741, 384593, 565327, 888371, 2692151, 6218597, 2823646843, 19765527901, 31060115273, 217420806911]

約数ペア:

[(1, 217420806911), (7, 31060115273), (11, 19765527901), (77, 2823646843), (34963, 6218597), (80761, 2692151), (244741, 888371), (384593, 565327)]