1253391505

素因数分解:

$5^1\times {\mathrm{541}}^1\times {\mathrm{661}}^1\times {\mathrm{701}}^1$

素因数の和:1908

約数の個数: 16

約数和(自身を含む): 1511282448

約数和(自身を除く): 257890943

約数列:

[1, 5, 541, 661, 701, 2705, 3305, 3505, 357601, 379241, 463361, 1788005, 1896205, 2316805, 250678301, 1253391505]

約数ペア:

[(1, 1253391505), (5, 250678301), (541, 2316805), (661, 1896205), (701, 1788005), (2705, 463361), (3305, 379241), (3505, 357601)]