208773938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 336752640

約数和(自身を除く): 127978702

約数列:

[1, 2, 19, 38, 71, 142, 223, 347, 446, 694, 1349, 2698, 4237, 6593, 8474, 13186, 15833, 24637, 31666, 49274, 77381, 154762, 300827, 468103, 601654, 936206, 1470239, 2940478, 5494051, 10988102, 104386969, 208773938]

約数ペア:

[(1, 208773938), (2, 104386969), (19, 10988102), (38, 5494051), (71, 2940478), (142, 1470239), (223, 936206), (347, 601654), (446, 468103), (694, 300827), (1349, 154762), (2698, 77381), (4237, 49274), (6593, 31666), (8474, 24637), (13186, 15833)]