209295884

素因数分解:

$2^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{17027}}^1$

素因数の和:17477

約数の個数: 24

約数和(自身を含む): 419569920

約数和(自身を除く): 210274036

約数列:

[1, 2, 4, 7, 14, 28, 439, 878, 1756, 3073, 6146, 12292, 17027, 34054, 68108, 119189, 238378, 476756, 7474853, 14949706, 29899412, 52323971, 104647942, 209295884]

約数ペア:

[(1, 209295884), (2, 104647942), (4, 52323971), (7, 29899412), (14, 14949706), (28, 7474853), (439, 476756), (878, 238378), (1756, 119189), (3073, 68108), (6146, 34054), (12292, 17027)]