217820210

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{68713}}^1$

素因数の和:69037

約数の個数: 16

約数和(自身を含む): 393318936

約数和(自身を除く): 175498726

約数列:

[1, 2, 5, 10, 317, 634, 1585, 3170, 68713, 137426, 343565, 687130, 21782021, 43564042, 108910105, 217820210]

約数ペア:

[(1, 217820210), (2, 108910105), (5, 43564042), (10, 21782021), (317, 687130), (634, 343565), (1585, 137426), (3170, 68713)]