996650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 24

約数和(自身を含む): 1916544

約数和(自身を除く): 919894

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 643, 775, 1286, 1550, 3215, 6430, 16075, 19933, 32150, 39866, 99665, 199330, 498325, 996650]

約数ペア:

[(1, 996650), (2, 498325), (5, 199330), (10, 99665), (25, 39866), (31, 32150), (50, 19933), (62, 16075), (155, 6430), (310, 3215), (643, 1550), (775, 1286)]