816708202130

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{199684157}}^1$

素因数の和:199684573

約数の個数: 16

約数和(自身を含む): 1473669086040

約数和(自身を除く): 656960883910

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 199684157, 399368314, 998420785, 1996841570, 81670820213, 163341640426, 408354101065, 816708202130]

約数ペア:

[(1, 816708202130), (2, 408354101065), (5, 163341640426), (10, 81670820213), (409, 1996841570), (818, 998420785), (2045, 399368314), (4090, 199684157)]