209969294

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1\times {\mathrm{2237}}^1$

素因数の和:2971

約数の個数: 16

約数和(自身を含む): 320016096

約数和(自身を除く): 110046802

約数列:

[1, 2, 71, 142, 661, 1322, 2237, 4474, 46931, 93862, 158827, 317654, 1478657, 2957314, 104984647, 209969294]

約数ペア:

[(1, 209969294), (2, 104984647), (71, 2957314), (142, 1478657), (661, 317654), (1322, 158827), (2237, 93862), (4474, 46931)]