209912353

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{4637}}^1$

素因数の和:4896

約数の個数: 16

約数和(自身を含む): 249338880

約数和(自身を除く): 39426527

約数列:

[1, 7, 29, 203, 223, 1561, 4637, 6467, 32459, 45269, 134473, 941311, 1034051, 7238357, 29987479, 209912353]

約数ペア:

[(1, 209912353), (7, 29987479), (29, 7238357), (203, 1034051), (223, 941311), (1561, 134473), (4637, 45269), (6467, 32459)]