219637370

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{81047}}^1$

素因数の和:81325

約数の個数: 16

約数和(自身を含む): 396811008

約数和(自身を除く): 177173638

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 81047, 162094, 405235, 810470, 21963737, 43927474, 109818685, 219637370]

約数ペア:

[(1, 219637370), (2, 109818685), (5, 43927474), (10, 21963737), (271, 810470), (542, 405235), (1355, 162094), (2710, 81047)]