290541889

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{1289}}^1$

素因数の和:1992

約数の個数: 16

約数和(自身を含む): 327928320

約数和(自身を除く): 37386431

約数列:

[1, 11, 31, 341, 661, 1289, 7271, 14179, 20491, 39959, 225401, 439549, 852029, 9372319, 26412899, 290541889]

約数ペア:

[(1, 290541889), (11, 26412899), (31, 9372319), (341, 852029), (661, 439549), (1289, 225401), (7271, 39959), (14179, 20491)]