221258306

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{135409}}^1$

素因数の和:135473

約数の個数: 16

約数和(自身を含む): 357482400

約数和(自身を除く): 136224094

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 135409, 270818, 2572771, 5145542, 5822587, 11645174, 110629153, 221258306]

約数ペア:

[(1, 221258306), (2, 110629153), (19, 11645174), (38, 5822587), (43, 5145542), (86, 2572771), (817, 270818), (1634, 135409)]