1229121286

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{206021}}^1$

素因数の和:206199

約数の個数: 16

約数和(自身を含む): 1953088560

約数和(自身を除く): 723967274

約数列:

[1, 2, 19, 38, 157, 314, 2983, 5966, 206021, 412042, 3914399, 7828798, 32345297, 64690594, 614560643, 1229121286]

約数ペア:

[(1, 1229121286), (2, 614560643), (19, 64690594), (38, 32345297), (157, 7828798), (314, 3914399), (2983, 412042), (5966, 206021)]