1855865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 2491776

約数和(自身を除く): 635911

約数列:

[1, 5, 11, 41, 55, 205, 451, 823, 2255, 4115, 9053, 33743, 45265, 168715, 371173, 1855865]

約数ペア:

[(1, 1855865), (5, 371173), (11, 168715), (41, 45265), (55, 33743), (205, 9053), (451, 4115), (823, 2255)]