13438270

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1657}}^1$

素因数の和:2475

約数の個数: 16

約数和(自身を含む): 24233328

約数和(自身を除く): 10795058

約数列:

[1, 2, 5, 10, 811, 1622, 1657, 3314, 4055, 8110, 8285, 16570, 1343827, 2687654, 6719135, 13438270]

約数ペア:

[(1, 13438270), (2, 6719135), (5, 2687654), (10, 1343827), (811, 16570), (1622, 8285), (1657, 8110), (3314, 4055)]