216433334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{20759}}^1$

素因数の和:21175

約数の個数: 16

約数和(自身を含む): 350511840

約数和(自身を除く): 134078506

約数列:

[1, 2, 13, 26, 401, 802, 5213, 10426, 20759, 41518, 269867, 539734, 8324359, 16648718, 108216667, 216433334]

約数ペア:

[(1, 216433334), (2, 108216667), (13, 16648718), (26, 8324359), (401, 539734), (802, 269867), (5213, 41518), (10426, 20759)]