68140826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{16693}}^1$

素因数の和:16865

約数の個数: 16

約数和(自身を含む): 110781384

約数和(自身を除く): 42640558

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 16693, 33386, 217009, 434018, 2620801, 5241602, 34070413, 68140826]

約数ペア:

[(1, 68140826), (2, 34070413), (13, 5241602), (26, 2620801), (157, 434018), (314, 217009), (2041, 33386), (4082, 16693)]