208865678

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{35437}}^1$

素因数の和:35867

約数の個数: 16

約数和(自身を含む): 358916064

約数和(自身を除く): 150050386

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 35437, 70874, 248059, 496118, 14918977, 29837954, 104432839, 208865678]

約数ペア:

[(1, 208865678), (2, 104432839), (7, 29837954), (14, 14918977), (421, 496118), (842, 248059), (2947, 70874), (5894, 35437)]