2881748

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 5221440

約数和(自身を除く): 2339692

約数列:

[1, 2, 4, 71, 73, 139, 142, 146, 278, 284, 292, 556, 5183, 9869, 10147, 10366, 19738, 20294, 20732, 39476, 40588, 720437, 1440874, 2881748]

約数ペア:

[(1, 2881748), (2, 1440874), (4, 720437), (71, 40588), (73, 39476), (139, 20732), (142, 20294), (146, 19738), (278, 10366), (284, 10147), (292, 9869), (556, 5183)]