165045890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{232459}}^1$

素因数の和:232537

約数の個数: 16

約数和(自身を含む): 301268160

約数和(自身を除く): 136222270

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 232459, 464918, 1162295, 2324590, 16504589, 33009178, 82522945, 165045890]

約数ペア:

[(1, 165045890), (2, 82522945), (5, 33009178), (10, 16504589), (71, 2324590), (142, 1162295), (355, 464918), (710, 232459)]