209900551

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{3359}}^1$

素因数の和:3558

約数の個数: 16

約数和(自身を含む): 245145600

約数和(自身を除く): 35245049

約数列:

[1, 7, 79, 113, 553, 791, 3359, 8927, 23513, 62489, 265361, 379567, 1857527, 2656969, 29985793, 209900551]

約数ペア:

[(1, 209900551), (7, 29985793), (79, 2656969), (113, 1857527), (553, 379567), (791, 265361), (3359, 62489), (8927, 23513)]