2489174530

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{991703}}^1$

素因数の和:991961

約数の個数: 16

約数和(自身を含む): 4498369344

約数和(自身を除く): 2009194814

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 991703, 1983406, 4958515, 9917030, 248917453, 497834906, 1244587265, 2489174530]

約数ペア:

[(1, 2489174530), (2, 1244587265), (5, 497834906), (10, 248917453), (251, 9917030), (502, 4958515), (1255, 1983406), (2510, 991703)]