203990689

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 237074688

約数和(自身を除く): 33083999

約数列:

[1, 7, 73, 511, 617, 647, 4319, 4529, 45041, 47231, 315287, 330617, 399199, 2794393, 29141527, 203990689]

約数ペア:

[(1, 203990689), (7, 29141527), (73, 2794393), (511, 399199), (617, 330617), (647, 315287), (4319, 47231), (4529, 45041)]