221342396

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{457319}}^1$

素因数の和:457345

約数の個数: 18

約数和(自身を含む): 425764920

約数和(自身を除く): 204422524

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 457319, 914638, 1829276, 5030509, 10061018, 20122036, 55335599, 110671198, 221342396]

約数ペア:

[(1, 221342396), (2, 110671198), (4, 55335599), (11, 20122036), (22, 10061018), (44, 5030509), (121, 1829276), (242, 914638), (484, 457319)]