219314342

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{648859}}^1$

素因数の和:648887

約数の個数: 12

約数和(自身を含む): 356224140

約数和(自身を除く): 136909798

約数列:

[1, 2, 13, 26, 169, 338, 648859, 1297718, 8435167, 16870334, 109657171, 219314342]

約数ペア:

[(1, 219314342), (2, 109657171), (13, 16870334), (26, 8435167), (169, 1297718), (338, 648859)]