2587915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 3419136

約数和(自身を除く): 831221

約数列:

[1, 5, 11, 55, 211, 223, 1055, 1115, 2321, 2453, 11605, 12265, 47053, 235265, 517583, 2587915]

約数ペア:

[(1, 2587915), (5, 517583), (11, 235265), (55, 47053), (211, 12265), (223, 11605), (1055, 2453), (1115, 2321)]