219319706

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1\times {\mathrm{1361}}^1$

素因数の和:1969

約数の個数: 16

約数和(自身を含む): 331701480

約数和(自身を除く): 112381774

約数列:

[1, 2, 197, 394, 409, 818, 1361, 2722, 80573, 161146, 268117, 536234, 556649, 1113298, 109659853, 219319706]

約数ペア:

[(1, 219319706), (2, 109659853), (197, 1113298), (394, 556649), (409, 536234), (818, 268117), (1361, 161146), (2722, 80573)]