208778812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{10711}}^1$

素因数の和:11169

約数の個数: 24

約数和(自身を含む): 399514752

約数和(自身を除く): 190735940

約数列:

[1, 2, 4, 11, 22, 44, 443, 886, 1772, 4873, 9746, 10711, 19492, 21422, 42844, 117821, 235642, 471284, 4744973, 9489946, 18979892, 52194703, 104389406, 208778812]

約数ペア:

[(1, 208778812), (2, 104389406), (4, 52194703), (11, 18979892), (22, 9489946), (44, 4744973), (443, 471284), (886, 235642), (1772, 117821), (4873, 42844), (9746, 21422), (10711, 19492)]