678018538

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{26339}}^1$

素因数の和:26613

約数の個数: 16

約数和(自身を含む): 1038638880

約数和(自身を除く): 360620342

約数列:

[1, 2, 61, 122, 211, 422, 12871, 25742, 26339, 52678, 1606679, 3213358, 5557529, 11115058, 339009269, 678018538]

約数ペア:

[(1, 678018538), (2, 339009269), (61, 11115058), (122, 5557529), (211, 3213358), (422, 1606679), (12871, 52678), (25742, 26339)]