2389778875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{1738021}}^1$

素因数の和:1738047

約数の個数: 16

約数和(自身を含む): 3253577184

約数和(自身を除く): 863798309

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 1738021, 8690105, 19118231, 43450525, 95591155, 217252625, 477955775, 2389778875]

約数ペア:

[(1, 2389778875), (5, 477955775), (11, 217252625), (25, 95591155), (55, 43450525), (125, 19118231), (275, 8690105), (1375, 1738021)]