217081615

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1\times {\mathrm{971}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 265402656

約数和(自身を除く): 48321041

約数列:

[1, 5, 61, 305, 733, 971, 3665, 4855, 44713, 59231, 223565, 296155, 711743, 3558715, 43416323, 217081615]

約数ペア:

[(1, 217081615), (5, 43416323), (61, 3558715), (305, 711743), (733, 296155), (971, 223565), (3665, 59231), (4855, 44713)]