77561135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{19913}}^1$

素因数の和:19978

約数の個数: 16

約数和(自身を含む): 100366560

約数和(自身を除く): 22805425

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 19913, 99565, 378347, 816433, 1891735, 4082165, 15512227, 77561135]

約数ペア:

[(1, 77561135), (5, 15512227), (19, 4082165), (41, 1891735), (95, 816433), (205, 378347), (779, 99565), (3895, 19913)]