219114890

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{33149}}^1$

素因数の和:33817

約数の個数: 16

約数和(自身を含む): 395015400

約数和(自身を除く): 175900510

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 6610, 33149, 66298, 165745, 331490, 21911489, 43822978, 109557445, 219114890]

約数ペア:

[(1, 219114890), (2, 109557445), (5, 43822978), (10, 21911489), (661, 331490), (1322, 165745), (3305, 66298), (6610, 33149)]