999240215

素因数分解:

$5^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1\times {\mathrm{4111}}^1$

素因数の和:4570

約数の個数: 16

約数和(自身を含む): 1210605696

約数和(自身を除く): 211365481

約数列:

[1, 5, 173, 281, 865, 1405, 4111, 20555, 48613, 243065, 711203, 1155191, 3556015, 5775955, 199848043, 999240215]

約数ペア:

[(1, 999240215), (5, 199848043), (173, 5775955), (281, 3556015), (865, 1155191), (1405, 711203), (4111, 243065), (20555, 48613)]