128863246

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 204120000

約数和(自身を除く): 75256754

約数列:

[1, 2, 41, 53, 82, 106, 149, 199, 298, 398, 2173, 4346, 6109, 7897, 8159, 10547, 12218, 15794, 16318, 21094, 29651, 59302, 323777, 432427, 647554, 864854, 1215691, 1571503, 2431382, 3143006, 64431623, 128863246]

約数ペア:

[(1, 128863246), (2, 64431623), (41, 3143006), (53, 2431382), (82, 1571503), (106, 1215691), (149, 864854), (199, 647554), (298, 432427), (398, 323777), (2173, 59302), (4346, 29651), (6109, 21094), (7897, 16318), (8159, 15794), (10547, 12218)]