287717966

素因数分解:

$2^1\times {\mathrm{67}}^2\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:648

約数の個数: 24

約数和(自身を含む): 445127760

約数和(自身を除く): 157409794

約数列:

[1, 2, 67, 73, 134, 146, 439, 878, 4489, 4891, 8978, 9782, 29413, 32047, 58826, 64094, 327697, 655394, 1970671, 2147149, 3941342, 4294298, 143858983, 287717966]

約数ペア:

[(1, 287717966), (2, 143858983), (67, 4294298), (73, 3941342), (134, 2147149), (146, 1970671), (439, 655394), (878, 327697), (4489, 64094), (4891, 58826), (8978, 32047), (9782, 29413)]