28719955

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1283}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 38936016

約数和(自身を除く): 10216061

約数列:

[1, 5, 11, 37, 55, 121, 185, 407, 605, 1283, 2035, 4477, 6415, 14113, 22385, 47471, 70565, 155243, 237355, 522181, 776215, 2610905, 5743991, 28719955]

約数ペア:

[(1, 28719955), (5, 5743991), (11, 2610905), (37, 776215), (55, 522181), (121, 237355), (185, 155243), (407, 70565), (605, 47471), (1283, 22385), (2035, 14113), (4477, 6415)]