278991796

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{5419}}^1$

素因数の和:5695

約数の個数: 24

約数和(自身を含む): 498683360

約数和(自身を除く): 219691564

約数列:

[1, 2, 4, 61, 122, 211, 244, 422, 844, 5419, 10838, 12871, 21676, 25742, 51484, 330559, 661118, 1143409, 1322236, 2286818, 4573636, 69747949, 139495898, 278991796]

約数ペア:

[(1, 278991796), (2, 139495898), (4, 69747949), (61, 4573636), (122, 2286818), (211, 1322236), (244, 1143409), (422, 661118), (844, 330559), (5419, 51484), (10838, 25742), (12871, 21676)]