155549146

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 245520000

約数和(自身を除く): 89970854

約数列:

[1, 2, 43, 61, 86, 122, 149, 199, 298, 398, 2623, 5246, 6407, 8557, 9089, 12139, 12814, 17114, 18178, 24278, 29651, 59302, 390827, 521977, 781654, 1043954, 1274993, 1808711, 2549986, 3617422, 77774573, 155549146]

約数ペア:

[(1, 155549146), (2, 77774573), (43, 3617422), (61, 2549986), (86, 1808711), (122, 1274993), (149, 1043954), (199, 781654), (298, 521977), (398, 390827), (2623, 59302), (5246, 29651), (6407, 24278), (8557, 18178), (9089, 17114), (12139, 12814)]