389435710

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{548501}}^1$

素因数の和:548579

約数の個数: 16

約数和(自身を含む): 710858592

約数和(自身を除く): 321422882

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 548501, 1097002, 2742505, 5485010, 38943571, 77887142, 194717855, 389435710]

約数ペア:

[(1, 389435710), (2, 194717855), (5, 77887142), (10, 38943571), (71, 5485010), (142, 2742505), (355, 1097002), (710, 548501)]