218126588

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{691}}^1\times {\mathrm{1489}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 389748240

約数和(自身を除く): 171621652

約数列:

[1, 2, 4, 53, 106, 212, 691, 1382, 1489, 2764, 2978, 5956, 36623, 73246, 78917, 146492, 157834, 315668, 1028899, 2057798, 4115596, 54531647, 109063294, 218126588]

約数ペア:

[(1, 218126588), (2, 109063294), (4, 54531647), (53, 4115596), (106, 2057798), (212, 1028899), (691, 315668), (1382, 157834), (1489, 146492), (2764, 78917), (2978, 73246), (5956, 36623)]