199901075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{66083}}^1$

素因数の和:66115

約数の個数: 18

約数和(自身を含む): 272464332

約数和(自身を除く): 72563257

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 66083, 330415, 726913, 1652075, 3634565, 7996043, 18172825, 39980215, 199901075]

約数ペア:

[(1, 199901075), (5, 39980215), (11, 18172825), (25, 7996043), (55, 3634565), (121, 1652075), (275, 726913), (605, 330415), (3025, 66083)]