205204868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{423977}}^1$

素因数の和:424003

約数の個数: 18

約数和(自身を含む): 394723518

約数和(自身を除く): 189518650

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 423977, 847954, 1695908, 4663747, 9327494, 18654988, 51301217, 102602434, 205204868]

約数ペア:

[(1, 205204868), (2, 102602434), (4, 51301217), (11, 18654988), (22, 9327494), (44, 4663747), (121, 1695908), (242, 847954), (484, 423977)]