81338435

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{3889}}^1$

素因数の和:4030

約数の個数: 16

約数和(自身を含む): 100828800

約数和(自身を除く): 19490365

約数列:

[1, 5, 47, 89, 235, 445, 3889, 4183, 19445, 20915, 182783, 346121, 913915, 1730605, 16267687, 81338435]

約数ペア:

[(1, 81338435), (5, 16267687), (47, 1730605), (89, 913915), (235, 346121), (445, 182783), (3889, 20915), (4183, 19445)]