209351615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{12161}}^1$

素因数の和:12490

約数の個数: 16

約数和(自身を含む): 274958496

約数和(自身を除く): 65606881

約数列:

[1, 5, 11, 55, 313, 1565, 3443, 12161, 17215, 60805, 133771, 668855, 3806393, 19031965, 41870323, 209351615]

約数ペア:

[(1, 209351615), (5, 41870323), (11, 19031965), (55, 3806393), (313, 668855), (1565, 133771), (3443, 60805), (12161, 17215)]