258730810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1990237}}^1$

素因数の和:1990257

約数の個数: 16

約数和(自身を含む): 501539976

約数和(自身を除く): 242809166

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1990237, 3980474, 9951185, 19902370, 25873081, 51746162, 129365405, 258730810]

約数ペア:

[(1, 258730810), (2, 129365405), (5, 51746162), (10, 25873081), (13, 19902370), (26, 9951185), (65, 3980474), (130, 1990237)]